answer string | choices dict | id string | kind string | lang string | question string | steps list | subject string | text string | topic string |
|---|---|---|---|---|---|---|---|---|---|
Výdrž je 4 hodiny. | {
"A": "3",
"B": "4",
"C": "5",
"D": "6"
} | oth_0051 | multiple_choice | cs | Baterie 2000 mAh krmí zařízení 500 mA. Na kolik hodin? | [
"2000 / 500.",
"= 4.",
"Vyber možnost B."
] | other | Answer: 4
Steps:
1. 2000 / 500.
2. = 4.
3. Vyber možnost B.
Answer: (B) | everyday_science |
Fast working memory cleared at power-off. | null | oth_0052 | concept | en | What is RAM? | [
"Fast working memory cleared at power-off.",
"So the answer stands: Fast working memory cleared at power-off."
] | other | Answer: Fast working memory cleared at power-off.
Steps:
1. Fast working memory cleared at power-off.
2. So the answer stands: Fast working memory cleared at power-off. | technology |
Weeks: 5. | null | oth_0053 | worked_example | en | A novel has 15 chapters; 3 are read per week. Count the weeks. | [
"Chapters: 15.",
"Per week: 3.",
"15 / 3 = 5."
] | other | Answer: Weeks: 5.
Steps:
1. Chapters: 15.
2. Per week: 3.
3. 15 / 3 = 5. | arts_basics |
Vzdálenost je 500 m. | {
"A": "500",
"B": "450",
"C": "550",
"D": "600"
} | oth_0054 | multiple_choice | cs | Bazén měří 50 m; plavec dá 10 délek. Kolik metrů? | [
"50 × 10.",
"= 500.",
"Vyber možnost A."
] | other | Answer: 500
Steps:
1. 50 × 10.
2. = 500.
3. Vyber možnost A.
Answer: (A) | sports_science |
The answer is Monsoon. | {
"A": "Monsoon",
"B": "Breeze",
"C": "Gale",
"D": "Calm"
} | oth_0055 | multiple_choice | en | Choose: what flips Asian winds? | [
"Summer drenches.",
"So: Monsoon.",
"Select option A."
] | other | Answer: Monsoon
Steps:
1. Summer drenches.
2. So: Monsoon.
3. Select option A.
Answer: (A) | geography |
The Moon blocks the Sun briefly, casting a daytime shadow. | null | oth_0056 | concept | en | What is a solar eclipse? | [
"The Moon blocks the Sun briefly, casting a daytime shadow.",
"So the answer stands: The Moon blocks the Sun briefly, casting a daytime shadow."
] | other | Answer: The Moon blocks the Sun briefly, casting a daytime shadow.
Steps:
1. The Moon blocks the Sun briefly, casting a daytime shadow.
2. So the answer stands: The Moon blocks the Sun briefly, casting a daytime shadow. | astronomy |
The answer is Boiling. | {
"A": "Freezing",
"B": "Melting",
"C": "Rust",
"D": "Boiling"
} | oth_0057 | multiple_choice | en | Choose: what frees bubbles? | [
"100 °C at sea.",
"So: Boiling.",
"Select option D."
] | other | Answer: Boiling
Steps:
1. 100 °C at sea.
2. So: Boiling.
3. Select option D.
Answer: (D) | everyday_science |
Resolution: 3 MP. | null | oth_0058 | worked_example | en | A photo is 3000×1000 px. Compute the megapixels. | [
"3000×1000.",
"/1e6.",
"= 3."
] | other | Answer: Resolution: 3 MP.
Steps:
1. 3000×1000.
2. /1e6.
3. = 3. | technology |
Reading takes 4 weeks. | {
"A": "3",
"B": "5",
"C": "4",
"D": "6"
} | oth_0059 | multiple_choice | en | A novel has 12 chapters; 3 are read per week. How many weeks? | [
"12 / 3.",
"= 4.",
"Select option C."
] | other | Answer: 4
Steps:
1. 12 / 3.
2. = 4.
3. Select option C.
Answer: (C) | arts_basics |
Hard bursts plus rest boost speed efficiently. | null | oth_0060 | concept | en | What are intervals? | [
"Hard bursts plus rest boost speed efficiently.",
"So the answer stands: Hard bursts plus rest boost speed efficiently."
] | other | Answer: Hard bursts plus rest boost speed efficiently.
Steps:
1. Hard bursts plus rest boost speed efficiently.
2. So the answer stands: Hard bursts plus rest boost speed efficiently. | sports_science |
Scales shrink lands to paper, so 1 cm can stand for kilometres. | null | oth_0061 | concept | en | Why map scales? | [
"Scales shrink lands to paper, so 1 cm can stand for kilometres.",
"So the answer stands: Scales shrink lands to paper, so 1 cm can stand for kilometres."
] | other | Answer: Scales shrink lands to paper, so 1 cm can stand for kilometres.
Steps:
1. Scales shrink lands to paper, so 1 cm can stand for kilometres.
2. So the answer stands: Scales shrink lands to paper, so 1 cm can stand for kilometres. | geography |
Light time: 32 min. | null | oth_0062 | worked_example | en | Sunlight takes 8 min per AU. Compute light time to 4 AU. | [
"Per AU: 8.",
"Distance: 4.",
"8 × 4 = 32."
] | other | Answer: Light time: 32 min.
Steps:
1. Per AU: 8.
2. Distance: 4.
3. 8 × 4 = 32. | astronomy |
The answer is Yeast CO₂. | {
"A": "Yeast CO₂",
"B": "Salt crystals",
"C": "Cold air",
"D": "Dark flour"
} | oth_0063 | multiple_choice | en | Choose: what puffs dough? | [
"Bubbles trapped.",
"So: Yeast CO₂.",
"Select option A."
] | other | Answer: Yeast CO₂
Steps:
1. Bubbles trapped.
2. So: Yeast CO₂.
3. Select option A.
Answer: (A) | everyday_science |
Time: 5 hours. | null | oth_0064 | worked_example | en | A backup copies 500 GB at 100 GB/h. Compute the hours. | [
"500 / 100.",
"= 5."
] | other | Answer: Time: 5 hours.
Steps:
1. 500 / 100.
2. = 5. | technology |
Total: 16. | null | oth_0065 | worked_example | en | A song has 4 verses of 4 lines. Count all lines. | [
"Verses: 4.",
"Each: 4.",
"4 × 4 = 16."
] | other | Answer: Total: 16.
Steps:
1. Verses: 4.
2. Each: 4.
3. 4 × 4 = 16. | arts_basics |
Amino acids rebuild trained muscles. | null | oth_0066 | concept | en | Why protein? | [
"Amino acids rebuild trained muscles.",
"So the answer stands: Amino acids rebuild trained muscles."
] | other | Answer: Amino acids rebuild trained muscles.
Steps:
1. Amino acids rebuild trained muscles.
2. So the answer stands: Amino acids rebuild trained muscles. | sports_science |
Latitude measures degrees north or south of the equator up to 90. | null | oth_0067 | concept | en | What is latitude? | [
"Latitude measures degrees north or south of the equator up to 90.",
"So the answer stands: Latitude measures degrees north or south of the equator up to 90."
] | other | Answer: Latitude measures degrees north or south of the equator up to 90.
Steps:
1. Latitude measures degrees north or south of the equator up to 90.
2. So the answer stands: Latitude measures degrees north or south of the equator up to 90. | geography |
Sunlit halves turn toward us by degrees through each month. | null | oth_0068 | concept | en | Why Moon phases? | [
"Sunlit halves turn toward us by degrees through each month.",
"So the answer stands: Sunlit halves turn toward us by degrees through each month."
] | other | Answer: Sunlit halves turn toward us by degrees through each month.
Steps:
1. Sunlit halves turn toward us by degrees through each month.
2. So the answer stands: Sunlit halves turn toward us by degrees through each month. | astronomy |
Water needed: 4 litres. | {
"A": "3",
"B": "4",
"C": "5",
"D": "6"
} | oth_0069 | multiple_choice | en | Pasta needs 2 litre per 100 g. How many litres for 200 g? | [
"200/100 × 2.",
"= 4.",
"Select option B."
] | other | Answer: 4
Steps:
1. 200/100 × 2.
2. = 4.
3. Select option B.
Answer: (B) | everyday_science |
Time: 5 seconds. | null | oth_0070 | worked_example | en | A 250 MB file downloads at 50 MB/s. Compute the seconds. | [
"250 / 50.",
"= 5."
] | other | Answer: Time: 5 seconds.
Steps:
1. 250 / 50.
2. = 5. | technology |
Per room: 4. | null | oth_0071 | worked_example | en | A gallery shows 20 paintings in 5 rooms equally. Count per room. | [
"Total: 20.",
"Rooms: 5.",
"20 / 5 = 4."
] | other | Answer: Per room: 4.
Steps:
1. Total: 20.
2. Rooms: 5.
3. 20 / 5 = 4. | arts_basics |
Next-day soreness from novel strain, fading with rest. | null | oth_0072 | concept | en | What is DOMS? | [
"Next-day soreness from novel strain, fading with rest.",
"So the answer stands: Next-day soreness from novel strain, fading with rest."
] | other | Answer: Next-day soreness from novel strain, fading with rest.
Steps:
1. Next-day soreness from novel strain, fading with rest.
2. So the answer stands: Next-day soreness from novel strain, fading with rest. | sports_science |
Longitude counts east or west from Greenwich, timing zones worldwide. | null | oth_0073 | concept | en | Why longitude? | [
"Longitude counts east or west from Greenwich, timing zones worldwide.",
"So the answer stands: Longitude counts east or west from Greenwich, timing zones worldwide."
] | other | Answer: Longitude counts east or west from Greenwich, timing zones worldwide.
Steps:
1. Longitude counts east or west from Greenwich, timing zones worldwide.
2. So the answer stands: Longitude counts east or west from Greenwich, timing zones worldwide. | geography |
Icy bodies sprout glowing tails near the Sun's heat. | null | oth_0074 | concept | en | What is a comet? | [
"Icy bodies sprout glowing tails near the Sun's heat.",
"So the answer stands: Icy bodies sprout glowing tails near the Sun's heat."
] | other | Answer: Icy bodies sprout glowing tails near the Sun's heat.
Steps:
1. Icy bodies sprout glowing tails near the Sun's heat.
2. So the answer stands: Icy bodies sprout glowing tails near the Sun's heat. | astronomy |
Runtime: 6 hours. | null | oth_0075 | worked_example | en | A 3000 mAh battery feeds a 500 mA device. Compute runtime hours. | [
"3000 / 500.",
"= 6."
] | other | Answer: Runtime: 6 hours.
Steps:
1. 3000 / 500.
2. = 6. | everyday_science |
Resolution: 4 MP. | null | oth_0076 | worked_example | en | A photo is 4000×1000 px. Compute the megapixels. | [
"4000×1000.",
"/1e6.",
"= 4."
] | other | Answer: Resolution: 4 MP.
Steps:
1. 4000×1000.
2. /1e6.
3. = 4. | technology |
Weeks: 6. | null | oth_0077 | worked_example | en | A novel has 18 chapters; 3 are read per week. Count the weeks. | [
"Chapters: 18.",
"Per week: 3.",
"18 / 3 = 6."
] | other | Answer: Weeks: 6.
Steps:
1. Chapters: 18.
2. Per week: 3.
3. 18 / 3 = 6. | arts_basics |
Max rate is 200 bpm. | {
"A": "195 bpm",
"B": "205 bpm",
"C": "200 bpm",
"D": "210 bpm"
} | oth_0078 | multiple_choice | en | Max heart rate is 220 − age. How much for age 20? | [
"220 − 20.",
"= 200.",
"Select option C."
] | other | Answer: 200 bpm
Steps:
1. 220 − 20.
2. = 200.
3. Select option C.
Answer: (C) | sports_science |
Skutečná vzdálenost je 2 km. | {
"A": "1 km",
"B": "2 km",
"C": "3 km",
"D": "4 km"
} | oth_0079 | multiple_choice | cs | Mapa 1:100000 ukazuje 2 cm. Kolik km je to ve skutečnosti? | [
"1 cm = 1 km.",
"2 cm = 2 km.",
"Vyber možnost B."
] | other | Answer: 2 km
Steps:
1. 1 cm = 1 km.
2. 2 cm = 2 km.
3. Vyber možnost B.
Answer: (B) | geography |
Days per checkup: 75. | null | oth_0080 | worked_example | en | A mission lasts 300 days with 4 checkups. Find days per checkup. | [
"Total 300.",
"Checkups 4.",
"300 / 4 = 75."
] | other | Answer: Days per checkup: 75.
Steps:
1. Total 300.
2. Checkups 4.
3. 300 / 4 = 75. | astronomy |
Final temperature: 21 °C. | null | oth_0081 | worked_example | en | A fridge at 25 °C cools 2 °C per hour for 2 h. Find the final temperature. | [
"Drop: 2×2.",
"25 − 4.",
"= 21 °C."
] | other | Answer: Final temperature: 21 °C.
Steps:
1. Drop: 2×2.
2. 25 − 4.
3. = 21 °C. | everyday_science |
Odstranění nadbytečnosti zmenšuje úložiště. | null | oth_0082 | concept | cs | Proč komprimovat soubory? | [
"Odstranění nadbytečnosti zmenšuje úložiště.",
"Odpověď tedy platí: Odstranění nadbytečnosti zmenšuje úložiště."
] | other | Answer: Odstranění nadbytečnosti zmenšuje úložiště.
Steps:
1. Odstranění nadbytečnosti zmenšuje úložiště.
2. Odpověď tedy platí: Odstranění nadbytečnosti zmenšuje úložiště. | technology |
The answer is Rhythm. | {
"A": "Rhyme",
"B": "Volume",
"C": "Static",
"D": "Rhythm"
} | oth_0083 | multiple_choice | en | Choose: what patterns beats? | [
"Bodies sway along.",
"So: Rhythm.",
"Select option D."
] | other | Answer: Rhythm
Steps:
1. Bodies sway along.
2. So: Rhythm.
3. Select option D.
Answer: (D) | arts_basics |
The answer is Warm-up. | {
"A": "Cool-down",
"B": "Lie-down",
"C": "Sit-down",
"D": "Warm-up"
} | oth_0084 | multiple_choice | en | Choose: what heats muscles? | [
"Joints primed safe.",
"So: Warm-up.",
"Select option D."
] | other | Answer: Warm-up
Steps:
1. Joints primed safe.
2. So: Warm-up.
3. Select option D.
Answer: (D) | sports_science |
Local time is 15:00. | {
"A": "14:00",
"B": "15:00",
"C": "16:00",
"D": "17:00"
} | oth_0085 | multiple_choice | en | Prague shows 12:00; a city is +3 h ahead. What time is it there? | [
"12 + 3.",
"= 15:00.",
"Select option B."
] | other | Answer: 15:00
Steps:
1. 12 + 3.
2. = 15:00.
3. Select option B.
Answer: (B) | geography |
Apparent width: 15°. | null | oth_0086 | worked_example | en | A telescope magnifies 30×; the Moon spans 0.5°. Compute apparent width. | [
"0.5 × 30.",
"= 15°."
] | other | Answer: Apparent width: 15°.
Steps:
1. 0.5 × 30.
2. = 15°. | astronomy |
Frozen water expands, growing less dense than liquid. | null | oth_0087 | concept | en | Why does ice float? | [
"Frozen water expands, growing less dense than liquid.",
"So the answer stands: Frozen water expands, growing less dense than liquid."
] | other | Answer: Frozen water expands, growing less dense than liquid.
Steps:
1. Frozen water expands, growing less dense than liquid.
2. So the answer stands: Frozen water expands, growing less dense than liquid. | everyday_science |
Time: 6 hours. | null | oth_0088 | worked_example | en | A backup copies 600 GB at 100 GB/h. Compute the hours. | [
"600 / 100.",
"= 6."
] | other | Answer: Time: 6 hours.
Steps:
1. 600 / 100.
2. = 6. | technology |
Total: 20. | null | oth_0089 | worked_example | en | A song has 5 verses of 4 lines. Count all lines. | [
"Verses: 5.",
"Each: 4.",
"5 × 4 = 20."
] | other | Answer: Total: 20.
Steps:
1. Verses: 5.
2. Each: 4.
3. 5 × 4 = 20. | arts_basics |
The answer is DOMS. | {
"A": "DOMS",
"B": "Cramps",
"C": "Blisters",
"D": "Hiccups"
} | oth_0090 | multiple_choice | en | Choose: what aches next day? | [
"Novel strain felt.",
"So: DOMS.",
"Select option A."
] | other | Answer: DOMS
Steps:
1. Novel strain felt.
2. So: DOMS.
3. Select option A.
Answer: (A) | sports_science |
High ground divides river basins, sending rain to different seas. | null | oth_0091 | concept | en | What is a watershed? | [
"High ground divides river basins, sending rain to different seas.",
"So the answer stands: High ground divides river basins, sending rain to different seas."
] | other | Answer: High ground divides river basins, sending rain to different seas.
Steps:
1. High ground divides river basins, sending rain to different seas.
2. So the answer stands: High ground divides river basins, sending rain to different seas. | geography |
Light time: 40 min. | null | oth_0092 | worked_example | en | Sunlight takes 8 min per AU. Compute light time to 5 AU. | [
"Per AU: 8.",
"Distance: 5.",
"8 × 5 = 40."
] | other | Answer: Light time: 40 min.
Steps:
1. Per AU: 8.
2. Distance: 5.
3. 8 × 5 = 40. | astronomy |
It rates acidity from 0 to 14, with 7 neutral. | null | oth_0093 | concept | en | What is pH? | [
"It rates acidity from 0 to 14, with 7 neutral.",
"So the answer stands: It rates acidity from 0 to 14, with 7 neutral."
] | other | Answer: It rates acidity from 0 to 14, with 7 neutral.
Steps:
1. It rates acidity from 0 to 14, with 7 neutral.
2. So the answer stands: It rates acidity from 0 to 14, with 7 neutral. | everyday_science |
Time: 6 seconds. | null | oth_0094 | worked_example | en | A 300 MB file downloads at 50 MB/s. Compute the seconds. | [
"300 / 50.",
"= 6."
] | other | Answer: Time: 6 seconds.
Steps:
1. 300 / 50.
2. = 6. | technology |
Celkem veršů: 8. | {
"A": "8",
"B": "4",
"C": "12",
"D": "16"
} | oth_0095 | multiple_choice | cs | Píseň má 2 sloky po 4 verších. Kolik veršů celkem? | [
"2 × 4.",
"= 8.",
"Vyber možnost A."
] | other | Answer: 8
Steps:
1. 2 × 4.
2. = 8.
3. Vyber možnost A.
Answer: (A) | arts_basics |
Distance is 750 m. | {
"A": "700",
"B": "750",
"C": "800",
"D": "850"
} | oth_0096 | multiple_choice | en | A pool is 50 m; a swimmer does 15 laps. How many metres? | [
"50 × 15.",
"= 750.",
"Select option B."
] | other | Answer: 750
Steps:
1. 50 × 15.
2. = 750.
3. Select option B.
Answer: (B) | sports_science |
Rivers drop silt where currents slow, building fan lands seaward. | null | oth_0097 | concept | en | Why deltas form? | [
"Rivers drop silt where currents slow, building fan lands seaward.",
"So the answer stands: Rivers drop silt where currents slow, building fan lands seaward."
] | other | Answer: Rivers drop silt where currents slow, building fan lands seaward.
Steps:
1. Rivers drop silt where currents slow, building fan lands seaward.
2. So the answer stands: Rivers drop silt where currents slow, building fan lands seaward. | geography |
Earth crosses comet dust trails yearly on fixed dates. | null | oth_0098 | concept | en | Why meteor showers? | [
"Earth crosses comet dust trails yearly on fixed dates.",
"So the answer stands: Earth crosses comet dust trails yearly on fixed dates."
] | other | Answer: Earth crosses comet dust trails yearly on fixed dates.
Steps:
1. Earth crosses comet dust trails yearly on fixed dates.
2. So the answer stands: Earth crosses comet dust trails yearly on fixed dates. | astronomy |
Water needed: 6 litres. | null | oth_0099 | worked_example | en | Pasta needs 2 litre per 100 g. Compute litres for 300 g. | [
"300/100 = 3.",
"3 × 2.",
"= 6."
] | other | Answer: Water needed: 6 litres.
Steps:
1. 300/100 = 3.
2. 3 × 2.
3. = 6. | everyday_science |
Resolution is 2 MP. | {
"A": "1",
"B": "2",
"C": "3",
"D": "4"
} | oth_0100 | multiple_choice | en | A photo is 2000×1000 px. How many megapixels? | [
"2000×1000/1e6.",
"= 2.",
"Select option B."
] | other | Answer: 2
Steps:
1. 2000×1000/1e6.
2. = 2.
3. Select option B.
Answer: (B) | technology |
Celkem hudebníků: 18. | {
"A": "13",
"B": "18",
"C": "23",
"D": "28"
} | oth_0101 | multiple_choice | cs | Orchestr má 10 smyčců a 8 dechařů. Kolik celkem? | [
"10 + 8.",
"= 18.",
"Vyber možnost B."
] | other | Answer: 18
Steps:
1. 10 + 8.
2. = 18.
3. Vyber možnost B.
Answer: (B) | arts_basics |
Postupná zátěž zahřívá svaly. | null | oth_0102 | concept | cs | Proč rozcvička? | [
"Postupná zátěž zahřívá svaly.",
"Odpověď tedy platí: Postupná zátěž zahřívá svaly."
] | other | Answer: Postupná zátěž zahřívá svaly.
Steps:
1. Postupná zátěž zahřívá svaly.
2. Odpověď tedy platí: Postupná zátěž zahřívá svaly. | sports_science |
Real distance: 3 km. | null | oth_0103 | worked_example | en | A 1:100000 map shows 3 cm. Convert to real km. | [
"1 cm = 1 km.",
"3 cm.",
"= 3 km."
] | other | Answer: Real distance: 3 km.
Steps:
1. 1 cm = 1 km.
2. 3 cm.
3. = 3 km. | geography |
Doba letu je 16 minut. | {
"A": "16 min",
"B": "8 min",
"C": "24 min",
"D": "32 min"
} | oth_0104 | multiple_choice | cs | Světlo letí 8 minut na AU. Jak dlouho na planetu 2 AU daleko? | [
"8 × 2.",
"= 16 minut.",
"Vyber možnost A."
] | other | Answer: 16 min
Steps:
1. 8 × 2.
2. = 16 minut.
3. Vyber možnost A.
Answer: (A) | astronomy |
Molecules bridge grease and water, lifting dirt away. | null | oth_0105 | concept | en | Why soap cleans? | [
"Molecules bridge grease and water, lifting dirt away.",
"So the answer stands: Molecules bridge grease and water, lifting dirt away."
] | other | Answer: Molecules bridge grease and water, lifting dirt away.
Steps:
1. Molecules bridge grease and water, lifting dirt away.
2. So the answer stands: Molecules bridge grease and water, lifting dirt away. | everyday_science |
Čas: 4 sekundy. | null | oth_0106 | worked_example | cs | Soubor 200 MB se stahuje 50 MB/s. Spočítej sekundy. | [
"200 / 50.",
"= 4."
] | other | Answer: Čas: 4 sekundy.
Steps:
1. 200 / 50.
2. = 4. | technology |
Vzorkované doby v čase. | null | oth_0107 | concept | cs | Co je rytmus? | [
"Vzorkované doby v čase.",
"Odpověď tedy platí: Vzorkované doby v čase."
] | other | Answer: Vzorkované doby v čase.
Steps:
1. Vzorkované doby v čase.
2. Odpověď tedy platí: Vzorkované doby v čase. | arts_basics |
Energy burned: 350 kcal. | {
"A": "290",
"B": "410",
"C": "350",
"D": "470"
} | oth_0108 | multiple_choice | en | A run burns 70 kcal/km over 5 km. How many kcal total? | [
"70 × 5.",
"= 350.",
"Select option C."
] | other | Answer: 350
Steps:
1. 70 × 5.
2. = 350.
3. Select option C.
Answer: (C) | sports_science |
Water, wind, and ice wear rocks away, sculpting valleys and coasts. | null | oth_0109 | concept | en | What is erosion? | [
"Water, wind, and ice wear rocks away, sculpting valleys and coasts.",
"So the answer stands: Water, wind, and ice wear rocks away, sculpting valleys and coasts."
] | other | Answer: Water, wind, and ice wear rocks away, sculpting valleys and coasts.
Steps:
1. Water, wind, and ice wear rocks away, sculpting valleys and coasts.
2. So the answer stands: Water, wind, and ice wear rocks away, sculpting valleys and coasts. | geography |
Collapsed mass traps even light behind its horizon. | null | oth_0110 | concept | en | What is a black hole? | [
"Collapsed mass traps even light behind its horizon.",
"So the answer stands: Collapsed mass traps even light behind its horizon."
] | other | Answer: Collapsed mass traps even light behind its horizon.
Steps:
1. Collapsed mass traps even light behind its horizon.
2. So the answer stands: Collapsed mass traps even light behind its horizon. | astronomy |
Iron plus oxygen and water form flaky oxide slowly. | null | oth_0111 | concept | en | What is rust? | [
"Iron plus oxygen and water form flaky oxide slowly.",
"So the answer stands: Iron plus oxygen and water form flaky oxide slowly."
] | other | Answer: Iron plus oxygen and water form flaky oxide slowly.
Steps:
1. Iron plus oxygen and water form flaky oxide slowly.
2. So the answer stands: Iron plus oxygen and water form flaky oxide slowly. | everyday_science |
Resolution: 5 MP. | null | oth_0112 | worked_example | en | A photo is 5000×1000 px. Compute the megapixels. | [
"5000×1000.",
"/1e6.",
"= 5."
] | other | Answer: Resolution: 5 MP.
Steps:
1. 5000×1000.
2. /1e6.
3. = 5. | technology |
Per room: 5. | null | oth_0113 | worked_example | en | A gallery shows 25 paintings in 5 rooms equally. Count per room. | [
"Total: 25.",
"Rooms: 5.",
"25 / 5 = 5."
] | other | Answer: Per room: 5.
Steps:
1. Total: 25.
2. Rooms: 5.
3. 25 / 5 = 5. | arts_basics |
Distance: 850 m. | null | oth_0114 | worked_example | en | A pool is 50 m; a swimmer does 17 laps. Compute the metres. | [
"50 × 17.",
"= 850."
] | other | Answer: Distance: 850 m.
Steps:
1. 50 × 17.
2. = 850. | sports_science |
One plot: 20 ha. | null | oth_0115 | worked_example | en | A park of 100 hectares splits into 5 plots. Find one plot's size. | [
"Total 100.",
"Plots 5.",
"100 / 5 = 20."
] | other | Answer: One plot: 20 ha.
Steps:
1. Total 100.
2. Plots 5.
3. 100 / 5 = 20. | geography |
Days per checkup: 100. | null | oth_0116 | worked_example | en | A mission lasts 400 days with 4 checkups. Find days per checkup. | [
"Total 400.",
"Checkups 4.",
"400 / 4 = 100."
] | other | Answer: Days per checkup: 100.
Steps:
1. Total 400.
2. Checkups 4.
3. 400 / 4 = 100. | astronomy |
Yeast exhales CO₂ bubbles that puff dough upward. | null | oth_0117 | concept | en | Why does bread rise? | [
"Yeast exhales CO₂ bubbles that puff dough upward.",
"So the answer stands: Yeast exhales CO₂ bubbles that puff dough upward."
] | other | Answer: Yeast exhales CO₂ bubbles that puff dough upward.
Steps:
1. Yeast exhales CO₂ bubbles that puff dough upward.
2. So the answer stands: Yeast exhales CO₂ bubbles that puff dough upward. | everyday_science |
Frame count: 120. | {
"A": "90",
"B": "150",
"C": "120",
"D": "180"
} | oth_0118 | multiple_choice | en | A screen shows 60 fps for 2 s. How many frames? | [
"60 × 2.",
"= 120.",
"Select option C."
] | other | Answer: 120
Steps:
1. 60 × 2.
2. = 120.
3. Select option C.
Answer: (C) | technology |
The answer is Tempo. | {
"A": "Tempo",
"B": "Volume",
"C": "Pitch",
"D": "Timbre"
} | oth_0119 | multiple_choice | en | Choose: what marks BPM? | [
"Beats raced steady.",
"So: Tempo.",
"Select option A."
] | other | Answer: Tempo
Steps:
1. Beats raced steady.
2. So: Tempo.
3. Select option A.
Answer: (A) | arts_basics |
Total: 1050 kcal. | null | oth_0120 | worked_example | en | Training burns 350 kcal per session over 3 sessions. Compute total kcal. | [
"350 × 3.",
"= 1050."
] | other | Answer: Total: 1050 kcal.
Steps:
1. 350 × 3.
2. = 1050. | sports_science |
Local time: 13:00. | null | oth_0121 | worked_example | en | Prague shows 9:00; a city is +4 h ahead. Find the local time. | [
"Base 9.",
"Add 4.",
"= 13:00."
] | other | Answer: Local time: 13:00.
Steps:
1. Base 9.
2. Add 4.
3. = 13:00. | geography |
Gravitace Slunce ohýbá dráhy do elips. | null | oth_0122 | concept | cs | Proč planety obíhají? | [
"Gravitace Slunce ohýbá dráhy do elips.",
"Odpověď tedy platí: Gravitace Slunce ohýbá dráhy do elips."
] | other | Answer: Gravitace Slunce ohýbá dráhy do elips.
Steps:
1. Gravitace Slunce ohýbá dráhy do elips.
2. Odpověď tedy platí: Gravitace Slunce ohýbá dráhy do elips. | astronomy |
Tlak par se vyrovná vzduchu při 100 °C. | null | oth_0123 | concept | cs | Proč voda vře? | [
"Tlak par se vyrovná vzduchu při 100 °C.",
"Odpověď tedy platí: Tlak par se vyrovná vzduchu při 100 °C."
] | other | Answer: Tlak par se vyrovná vzduchu při 100 °C.
Steps:
1. Tlak par se vyrovná vzduchu při 100 °C.
2. Odpověď tedy platí: Tlak par se vyrovná vzduchu při 100 °C. | everyday_science |
Time: 7 hours. | null | oth_0124 | worked_example | en | A backup copies 700 GB at 100 GB/h. Compute the hours. | [
"700 / 100.",
"= 7."
] | other | Answer: Time: 7 hours.
Steps:
1. 700 / 100.
2. = 7. | technology |
Techniques that fake depth on flat canvas. | null | oth_0125 | concept | en | What is perspective? | [
"Techniques that fake depth on flat canvas.",
"So the answer stands: Techniques that fake depth on flat canvas."
] | other | Answer: Techniques that fake depth on flat canvas.
Steps:
1. Techniques that fake depth on flat canvas.
2. So the answer stands: Techniques that fake depth on flat canvas. | arts_basics |
Energie: 300 kcal. | {
"A": "240",
"B": "300",
"C": "360",
"D": "420"
} | oth_0126 | multiple_choice | cs | Běh spaluje 60 kcal/km na 5 km. Kolik kcal celkem? | [
"60 × 5.",
"= 300.",
"Vyber možnost B."
] | other | Answer: 300
Steps:
1. 60 × 5.
2. = 300.
3. Vyber možnost B.
Answer: (B) | sports_science |
Skutečnost: 3 km. | null | oth_0127 | worked_example | cs | Mapa 1:100000 ukazuje 3 cm. Převeď na skutečné km. | [
"1 cm = 1 km.",
"3 cm.",
"= 3 km."
] | other | Answer: Skutečnost: 3 km.
Steps:
1. 1 cm = 1 km.
2. 3 cm.
3. = 3 km. | geography |
The answer is Light-year. | {
"A": "Light snack",
"B": "Light nap",
"C": "Light joke",
"D": "Light-year"
} | oth_0128 | multiple_choice | en | Choose: what spans 9.5 trillion km? | [
"Year of light travel.",
"So: Light-year.",
"Select option D."
] | other | Answer: Light-year
Steps:
1. Year of light travel.
2. So: Light-year.
3. Select option D.
Answer: (D) | astronomy |
Chladnoucí pára kapalní na studených plochách. | null | oth_0129 | concept | cs | Co je kondenzace? | [
"Chladnoucí pára kapalní na studených plochách.",
"Odpověď tedy platí: Chladnoucí pára kapalní na studených plochách."
] | other | Answer: Chladnoucí pára kapalní na studených plochách.
Steps:
1. Chladnoucí pára kapalní na studených plochách.
2. Odpověď tedy platí: Chladnoucí pára kapalní na studených plochách. | everyday_science |
The answer is Bandwidth. | {
"A": "Voltage",
"B": "Weight",
"C": "Length",
"D": "Bandwidth"
} | oth_0130 | multiple_choice | en | Choose: what sizes streams? | [
"Bits per second.",
"So: Bandwidth.",
"Select option D."
] | other | Answer: Bandwidth
Steps:
1. Bits per second.
2. So: Bandwidth.
3. Select option D.
Answer: (D) | technology |
Red, blue, yellow mix into wide palettes. | null | oth_0131 | concept | en | Why primary colours? | [
"Red, blue, yellow mix into wide palettes.",
"So the answer stands: Red, blue, yellow mix into wide palettes."
] | other | Answer: Red, blue, yellow mix into wide palettes.
Steps:
1. Red, blue, yellow mix into wide palettes.
2. So the answer stands: Red, blue, yellow mix into wide palettes. | arts_basics |
Max rate: 190 bpm. | null | oth_0132 | worked_example | en | Max heart rate is 220 − age. Compute it for age 30. | [
"220 − 30.",
"= 190."
] | other | Answer: Max rate: 190 bpm.
Steps:
1. 220 − 30.
2. = 190. | sports_science |
Stuck plates snap past each other, shaking ground along faults. | null | oth_0133 | concept | en | Why earthquakes? | [
"Stuck plates snap past each other, shaking ground along faults.",
"So the answer stands: Stuck plates snap past each other, shaking ground along faults."
] | other | Answer: Stuck plates snap past each other, shaking ground along faults.
Steps:
1. Stuck plates snap past each other, shaking ground along faults.
2. So the answer stands: Stuck plates snap past each other, shaking ground along faults. | geography |
Doba letu: 24 minut. | null | oth_0134 | worked_example | cs | Světlo letí 8 minut na AU. Spočítej dobu letu na 3 AU. | [
"Na AU: 8.",
"Vzdálenost: 3.",
"8 × 3 = 24."
] | other | Answer: Doba letu: 24 minut.
Steps:
1. Na AU: 8.
2. Vzdálenost: 3.
3. 8 × 3 = 24. | astronomy |
Runtime: 8 hours. | null | oth_0135 | worked_example | en | A 4000 mAh battery feeds a 500 mA device. Compute runtime hours. | [
"4000 / 500.",
"= 8."
] | other | Answer: Runtime: 8 hours.
Steps:
1. 4000 / 500.
2. = 8. | everyday_science |
No moving parts means instant chip reads. | null | oth_0136 | concept | en | Why SSDs fast? | [
"No moving parts means instant chip reads.",
"So the answer stands: No moving parts means instant chip reads."
] | other | Answer: No moving parts means instant chip reads.
Steps:
1. No moving parts means instant chip reads.
2. So the answer stands: No moving parts means instant chip reads. | technology |
Total lines: 12. | {
"A": "8",
"B": "12",
"C": "16",
"D": "20"
} | oth_0137 | multiple_choice | en | A song has 3 verses of 4 lines. How many lines total? | [
"3 × 4.",
"= 12.",
"Select option B."
] | other | Answer: 12
Steps:
1. 3 × 4.
2. = 12.
3. Select option B.
Answer: (B) | arts_basics |
Max rate is 195 bpm. | {
"A": "190 bpm",
"B": "200 bpm",
"C": "205 bpm",
"D": "195 bpm"
} | oth_0138 | multiple_choice | en | Max heart rate is 220 − age. How much for age 25? | [
"220 − 25.",
"= 195.",
"Select option D."
] | other | Answer: 195 bpm
Steps:
1. 220 − 25.
2. = 195.
3. Select option D.
Answer: (D) | sports_science |
Pacific plate edges host most volcanoes and quakes on Earth. | null | oth_0139 | concept | en | What is the Ring of Fire? | [
"Pacific plate edges host most volcanoes and quakes on Earth.",
"So the answer stands: Pacific plate edges host most volcanoes and quakes on Earth."
] | other | Answer: Pacific plate edges host most volcanoes and quakes on Earth.
Steps:
1. Pacific plate edges host most volcanoes and quakes on Earth.
2. So the answer stands: Pacific plate edges host most volcanoes and quakes on Earth. | geography |
The answer is Stars. | {
"A": "Stars",
"B": "Planets",
"C": "Moons",
"D": "Rocks"
} | oth_0140 | multiple_choice | en | Choose: what fuses cores? | [
"Mass turns light.",
"So: Stars.",
"Select option A."
] | other | Answer: Stars
Steps:
1. Mass turns light.
2. So: Stars.
3. Select option A.
Answer: (A) | astronomy |
Brief heating kills germs while sparing flavour mostly. | null | oth_0141 | concept | en | What is pasteurization? | [
"Brief heating kills germs while sparing flavour mostly.",
"So the answer stands: Brief heating kills germs while sparing flavour mostly."
] | other | Answer: Brief heating kills germs while sparing flavour mostly.
Steps:
1. Brief heating kills germs while sparing flavour mostly.
2. So the answer stands: Brief heating kills germs while sparing flavour mostly. | everyday_science |
Math scrambles data readable only with keys. | null | oth_0142 | concept | en | What is encryption? | [
"Math scrambles data readable only with keys.",
"So the answer stands: Math scrambles data readable only with keys."
] | other | Answer: Math scrambles data readable only with keys.
Steps:
1. Math scrambles data readable only with keys.
2. So the answer stands: Math scrambles data readable only with keys. | technology |
Total players: 23. | {
"A": "18",
"B": "28",
"C": "23",
"D": "33"
} | oth_0143 | multiple_choice | en | An orchestra has 15 strings and 8 wind players. How many total? | [
"15 + 8.",
"= 23.",
"Select option C."
] | other | Answer: 23
Steps:
1. 15 + 8.
2. = 23.
3. Select option C.
Answer: (C) | arts_basics |
Distance: 1100 m. | null | oth_0144 | worked_example | en | A pool is 50 m; a swimmer does 22 laps. Compute the metres. | [
"50 × 22.",
"= 1100."
] | other | Answer: Distance: 1100 m.
Steps:
1. 50 × 22.
2. = 1100. | sports_science |
Real distance: 4 km. | null | oth_0145 | worked_example | en | A 1:100000 map shows 4 cm. Convert to real km. | [
"1 cm = 1 km.",
"4 cm.",
"= 4 km."
] | other | Answer: Real distance: 4 km.
Steps:
1. 1 cm = 1 km.
2. 4 cm.
3. = 4 km. | geography |
Dní na kontrolu: 50. | null | oth_0146 | worked_example | cs | Mise trvá 200 dní se 4 kontrolami. Zjisti dní na kontrolu. | [
"Celkem 200.",
"Kontrol 4.",
"200 / 4 = 50."
] | other | Answer: Dní na kontrolu: 50.
Steps:
1. Celkem 200.
2. Kontrol 4.
3. 200 / 4 = 50. | astronomy |
Runtime is 6 hours. | {
"A": "5",
"B": "7",
"C": "6",
"D": "8"
} | oth_0147 | multiple_choice | en | A 3000 mAh battery feeds a 500 mA device. How many hours? | [
"3000 / 500.",
"= 6.",
"Select option C."
] | other | Answer: 6
Steps:
1. 3000 / 500.
2. = 6.
3. Select option C.
Answer: (C) | everyday_science |
The answer is Backups. | {
"A": "Backups",
"B": "Cables",
"C": "Stickers",
"D": "Boxes"
} | oth_0148 | multiple_choice | en | Choose: what survives disk death? | [
"Copies restored.",
"So: Backups.",
"Select option A."
] | other | Answer: Backups
Steps:
1. Copies restored.
2. So: Backups.
3. Select option A.
Answer: (A) | technology |
Weeks: 7. | null | oth_0149 | worked_example | en | A novel has 21 chapters; 3 are read per week. Count the weeks. | [
"Chapters: 21.",
"Per week: 3.",
"21 / 3 = 7."
] | other | Answer: Weeks: 7.
Steps:
1. Chapters: 21.
2. Per week: 3.
3. 21 / 3 = 7. | arts_basics |
Vzdálenost: 600 m. | null | oth_0150 | worked_example | cs | Bazén měří 50 m; plavec dá 12 délek. Spočítej metry. | [
"50 × 12.",
"= 600."
] | other | Answer: Vzdálenost: 600 m.
Steps:
1. 50 × 12.
2. = 600. | sports_science |
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