| {"task_id": "knowledge-42-0000", "family": "knowledge", "difficulty": 0.4, "prompt": "Which gas makes up most of Earth's atmosphere?\n\n A) Nitrogen\n B) Oxygen\n C) Carbon dioxide\n D) Argon\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "A", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0001", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"absolutized\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 0 through 8 (inclusive).\n Step 2: replace the character at position 10 with 'Z'.\n Step 3: insert the character 'X' at position 5 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "zitulXosbaeZ", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0002", "family": "knowledge", "difficulty": 0.55, "prompt": "Which river flows through London?\nReply with a short answer (one or two words is fine).", "reference_answer": "Thames", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0003", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the elementary charge in coulombs, to three significant figures? (Report a number.)", "reference_answer": "1.60e-19", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0004", "family": "knowledge", "difficulty": 0.3, "prompt": "How many metres are in 8 kilometres? Return an integer.", "reference_answer": "8000", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0005", "family": "knowledge", "difficulty": 0.55, "prompt": "What language is primarily spoken in Brazil?\nReply with a short answer (one or two words is fine).", "reference_answer": "Portuguese", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0006", "family": "knowledge", "difficulty": 0.995, "prompt": "Define c_i as the SUM of (count of letter l_i^a) and (count of letter l_i^b) in word w_i (case-insensitive, counting all occurrences). For:\n c_1 = count of 'f' plus count of 'e' in \"supercalifragilisticexpialidocious\"\n c_2 = count of 'l' plus count of 'n' in \"incomprehensibilities\"\n c_3 = count of 'u' plus count of 's' in \"subdermatoglyphic\"\n c_4 = count of 'e' plus count of 'u' in \"incommensurabilities\"\n c_5 = count of 'a' plus count of 'n' in \"anthropomorphization\"\n c_6 = count of 't' plus count of 'p' in \"floccinaucinihilipilification\"\n\nCompute: c_1 * c_2 - c_3 * c_4 + c_5 * c_6\n\nUse standard arithmetic precedence. Return only the resulting integer.", "reference_answer": "11", "estimated_seconds": 49.8, "metadata": {"generator": "_gen_text_letter_count_chain", "tier": 0.995}} | |
| {"task_id": "knowledge-42-0007", "family": "knowledge", "difficulty": 0.995, "prompt": "Define c_i as the SUM of (count of letter l_i^a) and (count of letter l_i^b) in word w_i (case-insensitive, counting all occurrences). For:\n c_1 = count of 'b' plus count of 'p' in \"incomprehensibilities\"\n c_2 = count of 'b' plus count of 'e' in \"hexakosioihexekontahexaphobia\"\n c_3 = count of 't' plus count of 'v' in \"circumnavigational\"\n c_4 = count of 'a' plus count of 'k' in \"hexakosioihexekontahexaphobia\"\n c_5 = count of 'i' plus count of 'n' in \"circumnavigational\"\n c_6 = count of 'a' plus count of 'y' in \"psychophysicotherapeutics\"\n\nCompute: c_1 * c_2 - c_3 * c_4 + c_5 * c_6\n\nUse standard arithmetic precedence. Return only the resulting integer.", "reference_answer": "13", "estimated_seconds": 49.8, "metadata": {"generator": "_gen_text_letter_count_chain", "tier": 0.995}} | |
| {"task_id": "knowledge-42-0008", "family": "knowledge", "difficulty": 0.995, "prompt": "Define c_i as the SUM of (count of letter l_i^a) and (count of letter l_i^b) in word w_i (case-insensitive, counting all occurrences). For:\n c_1 = count of 'b' plus count of 'o' in \"hexakosioihexekontahexaphobia\"\n c_2 = count of 'a' plus count of 'i' in \"hexakosioihexekontahexaphobia\"\n c_3 = count of 'y' plus count of 'p' in \"pseudopseudohypoparathyroidism\"\n c_4 = count of 'u' plus count of 'b' in \"incommensurabilities\"\n c_5 = count of 'b' plus count of 's' in \"antidisestablishmentarianism\"\n c_6 = count of 'f' plus count of 'n' in \"floccinaucinihilipilification\"\n\nCompute: c_1 * c_2 - c_3 * c_4 + c_5 * c_6\n\nUse standard arithmetic precedence. Return only the resulting integer.", "reference_answer": "48", "estimated_seconds": 49.8, "metadata": {"generator": "_gen_text_letter_count_chain", "tier": 0.995}} | |
| {"task_id": "knowledge-42-0009", "family": "knowledge", "difficulty": 0.995, "prompt": "Define c_i as the SUM of (count of letter l_i^a) and (count of letter l_i^b) in word w_i (case-insensitive, counting all occurrences). For:\n c_1 = count of 'u' plus count of 'c' in \"floccinaucinihilipilification\"\n c_2 = count of 'g' plus count of 'm' in \"subdermatoglyphic\"\n c_3 = count of 'g' plus count of 'r' in \"electroencephalographically\"\n c_4 = count of 'x' plus count of 'b' in \"hexakosioihexekontahexaphobia\"\n c_5 = count of 'd' plus count of 'p' in \"thyroparathyroidectomized\"\n c_6 = count of 's' plus count of 'n' in \"incomprehensibilities\"\n\nCompute: c_1 * c_2 - c_3 * c_4 + c_5 * c_6\n\nUse standard arithmetic precedence. Return only the resulting integer.", "reference_answer": "10", "estimated_seconds": 49.8, "metadata": {"generator": "_gen_text_letter_count_chain", "tier": 0.995}} | |
| {"task_id": "knowledge-42-0010", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 19/14 or 8/19? Reply with the fraction (e.g. '19/14' or '8/19').", "reference_answer": "19/14", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0011", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 15/16 or 17/2? Reply with the fraction (e.g. '15/16' or '17/2').", "reference_answer": "17/2", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0012", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the elementary charge in coulombs, to three significant figures? (Report a number.)", "reference_answer": "1.60e-19", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0013", "family": "knowledge", "difficulty": 0.4, "prompt": "What is the chemical formula of water?\n\n A) CO2\n B) NaCl\n C) H2O\n D) O2\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "C", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0014", "family": "knowledge", "difficulty": 0.995, "prompt": "Define c_i as the SUM of (count of letter l_i^a) and (count of letter l_i^b) in word w_i (case-insensitive, counting all occurrences). For:\n c_1 = count of 'p' plus count of 'e' in \"electroencephalographically\"\n c_2 = count of 'd' plus count of 'e' in \"thyroparathyroidectomized\"\n c_3 = count of 'i' plus count of 'o' in \"circumnavigational\"\n c_4 = count of 'f' plus count of 'a' in \"floccinaucinihilipilification\"\n c_5 = count of 'b' plus count of 'h' in \"hexakosioihexekontahexaphobia\"\n c_6 = count of 't' plus count of 'y' in \"electroencephalographically\"\n\nCompute: c_1 * c_2 - c_3 * c_4 + c_5 * c_6\n\nUse standard arithmetic precedence. Return only the resulting integer.", "reference_answer": "18", "estimated_seconds": 49.8, "metadata": {"generator": "_gen_text_letter_count_chain", "tier": 0.995}} | |
| {"task_id": "knowledge-42-0015", "family": "knowledge", "difficulty": 0.1, "prompt": "How many natural moons does Venus have? Return an integer.", "reference_answer": "0", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0016", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did June 11, 1971 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Friday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0017", "family": "knowledge", "difficulty": 0.1, "prompt": "How many oceans are recognized today? Return an integer.", "reference_answer": "5", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0018", "family": "knowledge", "difficulty": 0.3, "prompt": "How many hours are in 69 days? Return an integer.", "reference_answer": "1656", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0019", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the capital of Canada?\nReply with a short answer (one or two words is fine).", "reference_answer": "Ottawa", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0020", "family": "knowledge", "difficulty": 0.55, "prompt": "What language is primarily spoken in Brazil?\nReply with a short answer (one or two words is fine).", "reference_answer": "Portuguese", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0021", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 18/15 or 4/11? Reply with the fraction (e.g. '18/15' or '4/11').", "reference_answer": "18/15", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0022", "family": "knowledge", "difficulty": 0.7, "prompt": "What is Avogadro's number (number of constituent particles in one mole), to three significant figures? Express in scientific notation; we accept the numeric value 6.02e23.", "reference_answer": "6.02e23", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0023", "family": "knowledge", "difficulty": 0.3, "prompt": "How many hours are in 55 days? Return an integer.", "reference_answer": "1320", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0024", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 19/22 or 8/23? Reply with the fraction (e.g. '19/22' or '8/23').", "reference_answer": "19/22", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0025", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n y_2 = year of 'Scivias' by Hildegard of Bingen\n y_3 = year of 'Institutions de Physique' by \u00c9milie du Ch\u00e2telet\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "723", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0026", "family": "knowledge", "difficulty": 0.1, "prompt": "How many natural moons does Earth have? Return an integer.", "reference_answer": "1", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0027", "family": "knowledge", "difficulty": 0.1, "prompt": "How many oceans are recognized today? Return an integer.", "reference_answer": "5", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0028", "family": "knowledge", "difficulty": 0.4, "prompt": "Which planet has the most prominent ring system?\n\n A) Jupiter\n B) Saturn\n C) Uranus\n D) Neptune\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0029", "family": "knowledge", "difficulty": 0.3, "prompt": "How many seconds are in 361 minutes? Return an integer.", "reference_answer": "21660", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0030", "family": "knowledge", "difficulty": 0.7, "prompt": "What is Avogadro's number (number of constituent particles in one mole), to three significant figures? Express in scientific notation; we accept the numeric value 6.02e23.", "reference_answer": "6.02e23", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0031", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the elementary charge in coulombs, to three significant figures? (Report a number.)", "reference_answer": "1.60e-19", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0032", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did October 15, 2005 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Saturday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0033", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"satellitized\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 2 through 8 (inclusive).\n Step 2: replace the character at position 0 with 'Z'.\n Step 3: insert the character 'X' at position 12 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "ZaitilletzedX", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0034", "family": "knowledge", "difficulty": 0.4, "prompt": "Which element has the chemical symbol 'Au'?\n\n A) Silver\n B) Gold\n C) Aluminium\n D) Argon\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0035", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the capital of France?\nReply with a short answer (one or two words is fine).", "reference_answer": "Paris", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0036", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did May 11, 1967 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Thursday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0037", "family": "knowledge", "difficulty": 0.1, "prompt": "How many natural moons does Venus have? Return an integer.", "reference_answer": "0", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0038", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'p' appear in the word \"mississippi\"? Return an integer.", "reference_answer": "2", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0039", "family": "knowledge", "difficulty": 0.1, "prompt": "How many degrees are in a full circle? Return an integer.", "reference_answer": "360", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0040", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Scivias' by Hildegard of Bingen\n y_2 = year of 'De Luce' by Robert Grosseteste\n y_3 = year of 'Tractatus de configurationibus' by Nicole Oresme\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "-18", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0041", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Scivias' by Hildegard of Bingen\n y_2 = year of 'Institutions de Physique' by \u00c9milie du Ch\u00e2telet\n y_3 = year of 'Tractatus de configurationibus' by Nicole Oresme\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "-533", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0042", "family": "knowledge", "difficulty": 0.7, "prompt": "What is Avogadro's number (number of constituent particles in one mole), to three significant figures? Express in scientific notation; we accept the numeric value 6.02e23.", "reference_answer": "6.02e23", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0043", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the elementary charge in coulombs, to three significant figures? (Report a number.)", "reference_answer": "1.60e-19", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0044", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"championing\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 4 through 10 (inclusive).\n Step 2: replace the character at position 10 with 'Z'.\n Step 3: insert the character 'X' at position 5 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "chamgXninoiZ", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0045", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the largest ocean on Earth?\nReply with a short answer (one or two words is fine).", "reference_answer": "Pacific", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0046", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Catalogue of Stars' by Caroline Herschel\n y_2 = year of 'Recherches sur la th\u00e9orie des surfaces \u00e9lastiques' by Sophie Germain\n y_3 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "11", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0047", "family": "knowledge", "difficulty": 0.4, "prompt": "Which planet has the most prominent ring system?\n\n A) Jupiter\n B) Saturn\n C) Uranus\n D) Neptune\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0048", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 3/23 or 14/9? Reply with the fraction (e.g. '3/23' or '14/9').", "reference_answer": "14/9", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0049", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Institutions de Physique' by \u00c9milie du Ch\u00e2telet\n y_2 = year of 'Metamorphosis Insectorum Surinamensium' by Maria Sibylla Merian\n y_3 = year of 'Recherches sur la th\u00e9orie des surfaces \u00e9lastiques' by Sophie Germain\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "56", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0050", "family": "knowledge", "difficulty": 0.7, "prompt": "Give the value of pi to four significant figures (a number).", "reference_answer": "3.142", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0051", "family": "knowledge", "difficulty": 0.3, "prompt": "How many grams are in 6 kilograms? Return an integer.", "reference_answer": "6000", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0052", "family": "knowledge", "difficulty": 0.4, "prompt": "Which element has the chemical symbol 'Fe'?\n\n A) Fluorine\n B) Francium\n C) Iron\n D) Florida\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "C", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0053", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'y' appear in the word \"raspberry\"? Return an integer.", "reference_answer": "1", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0054", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Metamorphosis Insectorum Surinamensium' by Maria Sibylla Merian\n y_2 = year of 'Recherches sur la th\u00e9orie des surfaces \u00e9lastiques' by Sophie Germain\n y_3 = year of 'Institutions de Physique' by \u00c9milie du Ch\u00e2telet\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "-76", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0055", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 7/2 or 13/12? Reply with the fraction (e.g. '7/2' or '13/12').", "reference_answer": "7/2", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0056", "family": "knowledge", "difficulty": 0.4, "prompt": "What is the SI base unit of mass?\n\n A) Newton\n B) Pound\n C) Kilogram\n D) Gram\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "C", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0057", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Recherches sur la th\u00e9orie des surfaces \u00e9lastiques' by Sophie Germain\n y_2 = year of 'Metamorphosis Insectorum Surinamensium' by Maria Sibylla Merian\n y_3 = year of 'Institutions de Physique' by \u00c9milie du Ch\u00e2telet\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "156", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0058", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'c' appear in the word \"calendar\"? Return an integer.", "reference_answer": "1", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0059", "family": "knowledge", "difficulty": 0.4, "prompt": "Which subatomic particle has a negative charge?\n\n A) Proton\n B) Electron\n C) Neutron\n D) Photon\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0060", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n y_2 = year of 'Scepsis Scientifica' by Joseph Glanvill\n y_3 = year of 'Tractatus de configurationibus' by Nicole Oresme\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "225", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0061", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'e' appear in the word \"elementary\"? Return an integer.", "reference_answer": "3", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0062", "family": "knowledge", "difficulty": 0.3, "prompt": "How many days are in 6 weeks? Return an integer.", "reference_answer": "42", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0063", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'The Blazing World' by Margaret Cavendish\n y_2 = year of 'Scivias' by Hildegard of Bingen\n y_3 = year of 'Book of Optics' by Ibn al-Haytham\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "536", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0064", "family": "knowledge", "difficulty": 0.55, "prompt": "Who developed the theory of evolution by natural selection?\nReply with a short answer (one or two words is fine).", "reference_answer": "Darwin", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0065", "family": "knowledge", "difficulty": 0.7, "prompt": "Give the value of pi to four significant figures (a number).", "reference_answer": "3.142", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0066", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 3/16 or 9/16? Reply with the fraction (e.g. '3/16' or '9/16').", "reference_answer": "9/16", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0067", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 15/20 or 7/20? Reply with the fraction (e.g. '15/20' or '7/20').", "reference_answer": "15/20", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0068", "family": "knowledge", "difficulty": 0.4, "prompt": "Which subatomic particle has a negative charge?\n\n A) Proton\n B) Electron\n C) Neutron\n D) Photon\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0069", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did May 02, 1960 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Monday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0070", "family": "knowledge", "difficulty": 0.3, "prompt": "How many days are in 17 weeks? Return an integer.", "reference_answer": "119", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0071", "family": "knowledge", "difficulty": 0.7, "prompt": "Give the value of pi to four significant figures (a number).", "reference_answer": "3.142", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0072", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"telephonist\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 6 through 9 (inclusive).\n Step 2: replace the character at position 4 with 'Z'.\n Step 3: insert the character 'X' at position 9 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "teleZhsinXot", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0073", "family": "knowledge", "difficulty": 0.4, "prompt": "What is the powerhouse of the cell?\n\n A) Nucleus\n B) Mitochondrion\n C) Ribosome\n D) Golgi apparatus\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0074", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n y_2 = year of 'Scepsis Scientifica' by Joseph Glanvill\n y_3 = year of 'Notes on the Analytical Engine' by Ada Lovelace\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "212", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0075", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the elementary charge in coulombs, to three significant figures? (Report a number.)", "reference_answer": "1.60e-19", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0076", "family": "knowledge", "difficulty": 0.7, "prompt": "Using E = m c^2, compute the rest energy in joules of a 1.0 gram object (use c = 3.00e8 m/s; report to two significant figures).", "reference_answer": "9.0e13", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0077", "family": "knowledge", "difficulty": 0.55, "prompt": "Who painted the Mona Lisa?\nReply with a short answer (one or two words is fine).", "reference_answer": "Leonardo da Vinci", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0078", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'i' appear in the word \"mississippi\"? Return an integer.", "reference_answer": "4", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0079", "family": "knowledge", "difficulty": 0.7, "prompt": "What is Avogadro's number (number of constituent particles in one mole), to three significant figures? Express in scientific notation; we accept the numeric value 6.02e23.", "reference_answer": "6.02e23", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0080", "family": "knowledge", "difficulty": 0.1, "prompt": "How many months are in a year? Return an integer.", "reference_answer": "12", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0081", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"satellitized\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 5 through 8 (inclusive).\n Step 2: replace the character at position 6 with 'Z'.\n Step 3: insert the character 'X' at position 4 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "sateXliZilzed", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0082", "family": "knowledge", "difficulty": 0.1, "prompt": "How many oceans are recognized today? Return an integer.", "reference_answer": "5", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0083", "family": "knowledge", "difficulty": 0.4, "prompt": "Which subatomic particle has a negative charge?\n\n A) Proton\n B) Electron\n C) Neutron\n D) Photon\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0084", "family": "knowledge", "difficulty": 0.3, "prompt": "How many metres are in 24 kilometres? Return an integer.", "reference_answer": "24000", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0085", "family": "knowledge", "difficulty": 0.4, "prompt": "Which subatomic particle has a negative charge?\n\n A) Proton\n B) Electron\n C) Neutron\n D) Photon\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0086", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 2/24 or 17/12? Reply with the fraction (e.g. '2/24' or '17/12').", "reference_answer": "17/12", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0087", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"calendaring\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 0 through 8 (inclusive).\n Step 2: replace the character at position 9 with 'Z'.\n Step 3: insert the character 'X' at position 10 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "iradnelacZXg", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0088", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'n' appear in the word \"occurrence\"? Return an integer.", "reference_answer": "1", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0089", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Metamorphosis Insectorum Surinamensium' by Maria Sibylla Merian\n y_2 = year of 'Book of Optics' by Ibn al-Haytham\n y_3 = year of 'Scivias' by Hildegard of Bingen\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "735", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0090", "family": "knowledge", "difficulty": 0.1, "prompt": "How many minutes are in an hour? Return an integer.", "reference_answer": "60", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0091", "family": "knowledge", "difficulty": 0.3, "prompt": "How many seconds are in 40 hours? Return an integer.", "reference_answer": "144000", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0092", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 't' appear in the word \"accommodate\"? Return an integer.", "reference_answer": "1", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0093", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 12/2 or 4/11? Reply with the fraction (e.g. '12/2' or '4/11').", "reference_answer": "12/2", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0094", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did January 05, 2002 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Saturday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0095", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did September 29, 1971 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Wednesday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0096", "family": "knowledge", "difficulty": 0.3, "prompt": "How many seconds are in 130 minutes? Return an integer.", "reference_answer": "7800", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0097", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"fortunated\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 4 through 9 (inclusive).\n Step 2: replace the character at position 8 with 'Z'.\n Step 3: insert the character 'X' at position 4 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "fortXdetaZu", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0098", "family": "knowledge", "difficulty": 0.1, "prompt": "How many planets are in our solar system? Return an integer.", "reference_answer": "8", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0099", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Institutions de Physique' by \u00c9milie du Ch\u00e2telet\n y_2 = year of 'Notes on the Analytical Engine' by Ada Lovelace\n y_3 = year of 'Scepsis Scientifica' by Joseph Glanvill\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "-38", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0100", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n y_2 = year of 'Scepsis Scientifica' by Joseph Glanvill\n y_3 = year of 'Scivias' by Hildegard of Bingen\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "220", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0101", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the currency of the United Kingdom?\nReply with a short answer (one or two words is fine).", "reference_answer": "Pound", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0102", "family": "knowledge", "difficulty": 0.1, "prompt": "How many continents are there? Return an integer.", "reference_answer": "7", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0103", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 's' appear in the word \"necessary\"? Return an integer.", "reference_answer": "2", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0104", "family": "knowledge", "difficulty": 0.4, "prompt": "Which vitamin is produced when human skin is exposed to sunlight?\n\n A) A\n B) B12\n C) C\n D) D\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "D", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0105", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n y_2 = year of 'Recherches sur la th\u00e9orie des surfaces \u00e9lastiques' by Sophie Germain\n y_3 = year of 'The Blazing World' by Margaret Cavendish\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "79", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0106", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did August 21, 1991 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Wednesday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0107", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did December 17, 1961 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Sunday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0108", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"umbrellaman\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 1 through 4 (inclusive).\n Step 2: replace the character at position 5 with 'Z'.\n Step 3: insert the character 'X' at position 1 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "uXerbmZlaman", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0109", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the elementary charge in coulombs, to three significant figures? (Report a number.)", "reference_answer": "1.60e-19", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0110", "family": "knowledge", "difficulty": 0.3, "prompt": "How many grams are in 35 kilograms? Return an integer.", "reference_answer": "35000", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0111", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the gravitational acceleration at Earth's surface in m/s^2, to two decimal places? (Report a number; we accept 9.80 or 9.81.)", "reference_answer": "9.81", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0112", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 6/17 or 10/18? Reply with the fraction (e.g. '6/17' or '10/18').", "reference_answer": "10/18", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0113", "family": "knowledge", "difficulty": 0.7, "prompt": "Give the value of pi to four significant figures (a number).", "reference_answer": "3.142", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0114", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 12/7 or 17/17? Reply with the fraction (e.g. '12/7' or '17/17').", "reference_answer": "12/7", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0115", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"satellitized\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 7 through 9 (inclusive).\n Step 2: replace the character at position 11 with 'Z'.\n Step 3: insert the character 'X' at position 10 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "satellizitXeZ", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0116", "family": "knowledge", "difficulty": 0.55, "prompt": "Who wrote '1984'?\nReply with a short answer (one or two words is fine).", "reference_answer": "George Orwell", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0117", "family": "knowledge", "difficulty": 0.55, "prompt": "Who painted the Mona Lisa?\nReply with a short answer (one or two words is fine).", "reference_answer": "Leonardo da Vinci", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0118", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"championing\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 3 through 10 (inclusive).\n Step 2: replace the character at position 1 with 'Z'.\n Step 3: insert the character 'X' at position 11 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "cZagninoipmX", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0119", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did March 27, 1966 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Sunday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0120", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'n' appear in the word \"encyclopedia\"? Return an integer.", "reference_answer": "1", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0121", "family": "knowledge", "difficulty": 0.4, "prompt": "What is the SI base unit of mass?\n\n A) Newton\n B) Pound\n C) Kilogram\n D) Gram\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "C", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0122", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the capital of Japan?\nReply with a short answer (one or two words is fine).", "reference_answer": "Tokyo", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0123", "family": "knowledge", "difficulty": 0.55, "prompt": "What language is primarily spoken in Brazil?\nReply with a short answer (one or two words is fine).", "reference_answer": "Portuguese", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0124", "family": "knowledge", "difficulty": 0.3, "prompt": "How many millilitres are in 12 litres? Return an integer.", "reference_answer": "12000", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0125", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did December 03, 2017 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Sunday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0126", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Scivias' by Hildegard of Bingen\n y_2 = year of 'Metamorphosis Insectorum Surinamensium' by Maria Sibylla Merian\n y_3 = year of 'Recherches sur la th\u00e9orie des surfaces \u00e9lastiques' by Sophie Germain\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "-533", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0127", "family": "knowledge", "difficulty": 0.3, "prompt": "How many days are in 2 weeks? Return an integer.", "reference_answer": "14", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0128", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n y_2 = year of 'Recherches sur la th\u00e9orie des surfaces \u00e9lastiques' by Sophie Germain\n y_3 = year of 'Catalogue of Stars' by Caroline Herschel\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "111", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0129", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 4/6 or 16/23? Reply with the fraction (e.g. '4/6' or '16/23').", "reference_answer": "16/23", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0130", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did June 18, 1968 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Tuesday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0131", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 't' appear in the word \"committee\"? Return an integer.", "reference_answer": "2", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0132", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the elementary charge in coulombs, to three significant figures? (Report a number.)", "reference_answer": "1.60e-19", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0133", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the largest desert in the world by area?\nReply with a short answer (one or two words is fine).", "reference_answer": "Antarctic", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0134", "family": "knowledge", "difficulty": 0.1, "prompt": "How many days are in a week? Return an integer.", "reference_answer": "7", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0135", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 19/3 or 16/23? Reply with the fraction (e.g. '19/3' or '16/23').", "reference_answer": "19/3", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0136", "family": "knowledge", "difficulty": 0.7, "prompt": "Using E = m c^2, compute the rest energy in joules of a 1.0 gram object (use c = 3.00e8 m/s; report to two significant figures).", "reference_answer": "9.0e13", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0137", "family": "knowledge", "difficulty": 0.55, "prompt": "Which planet is closest to the sun?\nReply with a short answer (one or two words is fine).", "reference_answer": "Mercury", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0138", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'The Blazing World' by Margaret Cavendish\n y_2 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n y_3 = year of 'Catalogue of Stars' by Caroline Herschel\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "-70", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0139", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"telephonist\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 4 through 7 (inclusive).\n Step 2: replace the character at position 10 with 'Z'.\n Step 3: insert the character 'X' at position 0 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "XtelenohpisZ", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0140", "family": "knowledge", "difficulty": 0.4, "prompt": "Which molecule carries genetic information in cells?\n\n A) RNA\n B) DNA\n C) ATP\n D) Glucose\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0141", "family": "knowledge", "difficulty": 0.1, "prompt": "How many minutes are in an hour? Return an integer.", "reference_answer": "60", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0142", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"mountaining\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 6 through 8 (inclusive).\n Step 2: replace the character at position 10 with 'Z'.\n Step 3: insert the character 'X' at position 2 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "moXuntaininZ", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0143", "family": "knowledge", "difficulty": 0.995, "prompt": "Define c_i as the SUM of (count of letter l_i^a) and (count of letter l_i^b) in word w_i (case-insensitive, counting all occurrences). For:\n c_1 = count of 'u' plus count of 'a' in \"subdermatoglyphic\"\n c_2 = count of 't' plus count of 'b' in \"hexakosioihexekontahexaphobia\"\n c_3 = count of 'b' plus count of 'c' in \"incomprehensibilities\"\n c_4 = count of 's' plus count of 'm' in \"subdermatoglyphic\"\n c_5 = count of 'n' plus count of 'i' in \"incommensurabilities\"\n c_6 = count of 's' plus count of 'a' in \"uncharacteristically\"\n\nCompute: c_1 * c_2 - c_3 * c_4 + c_5 * c_6\n\nUse standard arithmetic precedence. Return only the resulting integer.", "reference_answer": "24", "estimated_seconds": 49.8, "metadata": {"generator": "_gen_text_letter_count_chain", "tier": 0.995}} | |
| {"task_id": "knowledge-42-0144", "family": "knowledge", "difficulty": 0.1, "prompt": "How many days are in a week? Return an integer.", "reference_answer": "7", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0145", "family": "knowledge", "difficulty": 0.1, "prompt": "How many sides does a octagon have? Return an integer.", "reference_answer": "8", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0146", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did June 29, 1974 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Saturday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0147", "family": "knowledge", "difficulty": 0.995, "prompt": "Define c_i as the SUM of (count of letter l_i^a) and (count of letter l_i^b) in word w_i (case-insensitive, counting all occurrences). For:\n c_1 = count of 't' plus count of 's' in \"uncharacteristically\"\n c_2 = count of 'a' plus count of 'i' in \"incommensurabilities\"\n c_3 = count of 'b' plus count of 'x' in \"hexakosioihexekontahexaphobia\"\n c_4 = count of 'h' plus count of 'o' in \"psychophysicotherapeutics\"\n c_5 = count of 'b' plus count of 't' in \"honorificabilitudinitatibus\"\n c_6 = count of 'a' plus count of 'e' in \"psychophysicotherapeutics\"\n\nCompute: c_1 * c_2 - c_3 * c_4 + c_5 * c_6\n\nUse standard arithmetic precedence. Return only the resulting integer.", "reference_answer": "10", "estimated_seconds": 49.8, "metadata": {"generator": "_gen_text_letter_count_chain", "tier": 0.995}} | |
| {"task_id": "knowledge-42-0148", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 's' appear in the word \"sequoia\"? Return an integer.", "reference_answer": "1", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0149", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 2/18 or 7/18? Reply with the fraction (e.g. '2/18' or '7/18').", "reference_answer": "7/18", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0150", "family": "knowledge", "difficulty": 0.4, "prompt": "Which vitamin is produced when human skin is exposed to sunlight?\n\n A) A\n B) B12\n C) C\n D) D\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "D", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0151", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the capital of Canada?\nReply with a short answer (one or two words is fine).", "reference_answer": "Ottawa", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0152", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did May 01, 1971 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Saturday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0153", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 2/24 or 16/4? Reply with the fraction (e.g. '2/24' or '16/4').", "reference_answer": "16/4", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0154", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 's' appear in the word \"mississippi\"? Return an integer.", "reference_answer": "4", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0155", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'Tractatus de configurationibus' by Nicole Oresme\n y_2 = year of 'Metamorphosis Insectorum Surinamensium' by Maria Sibylla Merian\n y_3 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "-315", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0156", "family": "knowledge", "difficulty": 0.7, "prompt": "Using E = m c^2, compute the rest energy in joules of a 1.0 gram object (use c = 3.00e8 m/s; report to two significant figures).", "reference_answer": "9.0e13", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0157", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did April 12, 1994 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Tuesday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0158", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the largest desert in the world by area?\nReply with a short answer (one or two words is fine).", "reference_answer": "Antarctic", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0159", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"championing\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 2 through 5 (inclusive).\n Step 2: replace the character at position 0 with 'Z'.\n Step 3: insert the character 'X' at position 7 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "ZhipmaoXning", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0160", "family": "knowledge", "difficulty": 0.3, "prompt": "How many seconds are in 20 hours? Return an integer.", "reference_answer": "72000", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0161", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"championing\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 1 through 9 (inclusive).\n Step 2: replace the character at position 4 with 'Z'.\n Step 3: insert the character 'X' at position 7 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "cninZipXmahg", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0162", "family": "knowledge", "difficulty": 0.4, "prompt": "Which planet has the shortest orbital period around the sun?\n\n A) Mercury\n B) Venus\n C) Mars\n D) Pluto\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "A", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0163", "family": "knowledge", "difficulty": 0.4, "prompt": "Sound travels fastest through which medium?\n\n A) Solid\n B) Liquid\n C) Gas\n D) Vacuum\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "A", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0164", "family": "knowledge", "difficulty": 0.55, "prompt": "Who wrote the play 'Romeo and Juliet'?\nReply with a short answer (one or two words is fine).", "reference_answer": "Shakespeare", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0165", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'a' appear in the word \"embarrassment\"? Return an integer.", "reference_answer": "2", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0166", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did May 01, 1972 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Monday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0167", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'm' appear in the word \"millennium\"? Return an integer.", "reference_answer": "2", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0168", "family": "knowledge", "difficulty": 0.1, "prompt": "How many signs are in the western zodiac? Return an integer.", "reference_answer": "12", "estimated_seconds": 14.0, "metadata": {"generator": "_gen_t0_facts", "tier": 0.1}} | |
| {"task_id": "knowledge-42-0169", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 16/16 or 7/15? Reply with the fraction (e.g. '16/16' or '7/15').", "reference_answer": "16/16", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0170", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did August 15, 1987 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Saturday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0171", "family": "knowledge", "difficulty": 0.7, "prompt": "Give the value of pi to four significant figures (a number).", "reference_answer": "3.142", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0172", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 't' appear in the word \"questionnaire\"? Return an integer.", "reference_answer": "1", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0173", "family": "knowledge", "difficulty": 0.7, "prompt": "Give the value of pi to four significant figures (a number).", "reference_answer": "3.142", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0174", "family": "knowledge", "difficulty": 0.3, "prompt": "How many seconds are in 38 hours? Return an integer.", "reference_answer": "136800", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0175", "family": "knowledge", "difficulty": 0.55, "prompt": "Who wrote the play 'Romeo and Juliet'?\nReply with a short answer (one or two words is fine).", "reference_answer": "Shakespeare", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0176", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"vegetations\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 5 through 8 (inclusive).\n Step 2: replace the character at position 6 with 'Z'.\n Step 3: insert the character 'X' at position 8 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "vegetoZtXans", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0177", "family": "knowledge", "difficulty": 0.7, "prompt": "What is the gravitational acceleration at Earth's surface in m/s^2, to two decimal places? (Report a number; we accept 9.80 or 9.81.)", "reference_answer": "9.81", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0178", "family": "knowledge", "difficulty": 0.85, "prompt": "Which is greater: 13/14 or 1/2? Reply with the fraction (e.g. '13/14' or '1/2').", "reference_answer": "13/14", "estimated_seconds": 44.0, "metadata": {"generator": "_gen_t6_compare", "tier": 0.85}} | |
| {"task_id": "knowledge-42-0179", "family": "knowledge", "difficulty": 0.4, "prompt": "What is the chemical formula of water?\n\n A) CO2\n B) NaCl\n C) H2O\n D) O2\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "C", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0180", "family": "knowledge", "difficulty": 0.3, "prompt": "How many days are in 12 weeks? Return an integer.", "reference_answer": "84", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0181", "family": "knowledge", "difficulty": 0.995, "prompt": "Define c_i as the SUM of (count of letter l_i^a) and (count of letter l_i^b) in word w_i (case-insensitive, counting all occurrences). For:\n c_1 = count of 't' plus count of 'o' in \"circumnavigational\"\n c_2 = count of 'd' plus count of 'r' in \"honorificabilitudinitatibus\"\n c_3 = count of 'h' plus count of 'e' in \"psychophysicotherapeutics\"\n c_4 = count of 'u' plus count of 'o' in \"pseudopseudohypoparathyroidism\"\n c_5 = count of 'e' plus count of 'n' in \"antidisestablishmentarianism\"\n c_6 = count of 'h' plus count of 'e' in \"electroencephalographically\"\n\nCompute: c_1 * c_2 - c_3 * c_4 + c_5 * c_6\n\nUse standard arithmetic precedence. Return only the resulting integer.", "reference_answer": "4", "estimated_seconds": 49.8, "metadata": {"generator": "_gen_text_letter_count_chain", "tier": 0.995}} | |
| {"task_id": "knowledge-42-0182", "family": "knowledge", "difficulty": 0.4, "prompt": "What is the chemical formula of water?\n\n A) CO2\n B) NaCl\n C) H2O\n D) O2\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "C", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0183", "family": "knowledge", "difficulty": 0.55, "prompt": "Who wrote '1984'?\nReply with a short answer (one or two words is fine).", "reference_answer": "George Orwell", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0184", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the chemical formula of table salt?\nReply with a short answer (one or two words is fine).", "reference_answer": "NaCl", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0185", "family": "knowledge", "difficulty": 0.4, "prompt": "Which planet has the shortest orbital period around the sun?\n\n A) Mercury\n B) Venus\n C) Mars\n D) Pluto\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "A", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} | |
| {"task_id": "knowledge-42-0186", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"automobiles\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 5 through 10 (inclusive).\n Step 2: replace the character at position 1 with 'Z'.\n Step 3: insert the character 'X' at position 2 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "aZXtomselibo", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0187", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'r' appear in the word \"espresso\"? Return an integer.", "reference_answer": "1", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0188", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did March 16, 1985 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Saturday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0189", "family": "knowledge", "difficulty": 0.3, "prompt": "How many millilitres are in 45 litres? Return an integer.", "reference_answer": "45000", "estimated_seconds": 22.0, "metadata": {"generator": "_gen_t2_units", "tier": 0.3}} | |
| {"task_id": "knowledge-42-0190", "family": "knowledge", "difficulty": 0.7, "prompt": "Using E = m c^2, compute the rest energy in joules of a 1.0 gram object (use c = 3.00e8 m/s; report to two significant figures).", "reference_answer": "9.0e13", "estimated_seconds": 38.0, "metadata": {"generator": "_gen_t5_phd", "tier": 0.7}} | |
| {"task_id": "knowledge-42-0191", "family": "knowledge", "difficulty": 0.975, "prompt": "Start with the word \"knowledgeable\". Apply the following 3 operations IN ORDER, where each step operates on the result of the previous step (positions are 0-indexed and re-numbered after each step):\n Step 1: reverse the substring at positions 6 through 8 (inclusive).\n Step 2: replace the character at position 5 with 'Z'.\n Step 3: insert the character 'X' at position 13 (shifting characters at that index and beyond rightward).\n\nReturn only the resulting string, exactly as is, with no spaces or punctuation.", "reference_answer": "knowlZegdableX", "estimated_seconds": 49.0, "metadata": {"generator": "_gen_text_word_manipulation_v2", "tier": 0.975}} | |
| {"task_id": "knowledge-42-0192", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the capital of Japan?\nReply with a short answer (one or two words is fine).", "reference_answer": "Tokyo", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0193", "family": "knowledge", "difficulty": 0.2, "prompt": "On what day of the week did October 15, 1971 fall? Reply with one English weekday name (e.g. 'Monday').", "reference_answer": "Friday", "estimated_seconds": 18.0, "metadata": {"generator": "_gen_t1_dow", "tier": 0.2}} | |
| {"task_id": "knowledge-42-0194", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n y_2 = year of 'Notes on the Analytical Engine' by Ada Lovelace\n y_3 = year of 'De Luce' by Robert Grosseteste\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "16", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0195", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'i' appear in the word \"questionnaire\"? Return an integer.", "reference_answer": "2", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0196", "family": "knowledge", "difficulty": 0.55, "prompt": "What is the capital of France?\nReply with a short answer (one or two words is fine).", "reference_answer": "Paris", "estimated_seconds": 32.0, "metadata": {"generator": "_gen_t4_trivia", "tier": 0.55}} | |
| {"task_id": "knowledge-42-0197", "family": "knowledge", "difficulty": 0.95, "prompt": "How many times does the letter 'e' appear in the word \"espresso\"? Return an integer.", "reference_answer": "2", "estimated_seconds": 48.0, "metadata": {"generator": "_gen_t7_count", "tier": 0.95}} | |
| {"task_id": "knowledge-42-0198", "family": "knowledge", "difficulty": 0.985, "prompt": "Compute the integer value of the following expression using standard historical dates for these works. Let y_i = the year of first publication or completion of work i:\n\n y_1 = year of 'De Luce' by Robert Grosseteste\n y_2 = year of 'Recherches sur la th\u00e9orie des surfaces \u00e9lastiques' by Sophie Germain\n y_3 = year of 'On the Connexion of the Physical Sciences' by Mary Somerville\n\nCompute: y_1 - y_2 + (y_3 mod 100)\n\n(`mod 100` means the integer remainder when y_3 is divided by 100.) Return only the resulting integer.", "reference_answer": "-562", "estimated_seconds": 49.4, "metadata": {"generator": "_gen_text_obscure_fact_composition_v2", "tier": 0.985}} | |
| {"task_id": "knowledge-42-0199", "family": "knowledge", "difficulty": 0.4, "prompt": "The speed of light in vacuum is approximately how many m/s?\n\n A) 3x10^6\n B) 3x10^8\n C) 3x10^10\n D) 3x10^12\n\nReply with the single letter of the correct option (A, B, C, or D).", "reference_answer": "B", "estimated_seconds": 26.0, "metadata": {"generator": "_gen_t3_mcq", "tier": 0.4}} |