messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "A train travels at 153 km/h. How far does it travel in 6 hours and 13 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 6 + 13/60 = 6.2167 hours. Distance = speed × time = 153 × 6.2167 = 951.15 km.\n</reasoning>\nFinal Answer: 951.15" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 18x + 26 = -244" }, { "role": "assistant", "content": "<reasoning>\nSubtract 26 from both sides: 18x = -270. Divide by 18: x = -15.\n</reasoning>\nFinal Answer: -15" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 340 mod 148" }, { "role": "assistant", "content": "<reasoning>\n340 mod 148: 340 = 148 × 2 + 44, so remainder = 44.\n</reasoning>\nFinal Answer: 44" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 21:41 and A = 83, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 21/41, so B = A × (41/21) = 83 × 41/21 = 162.0476.\n</reasoning>\nFinal Answer: 162.0476" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 28:49 and A = 27, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 28/49, so B = A × (49/28) = 27 × 49/28 = 47.25.\n</reasoning>\nFinal Answer: 47.25" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 6/7 - 5/18" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 6/7 - 5/18. LCD = 126. Result = 73/126.\n</reasoning>\nFinal Answer: 73/126" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 285 + 880" }, { "role": "assistant", "content": "<reasoning>\nAdd 285 and 880: 285 + 880 = 1165.\n</reasoning>\nFinal Answer: 1165" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 93 and width 66." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 93 × 66 = 6138.\n</reasoning>\nFinal Answer: 6138" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 20 and common difference 7, find the 31th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 20 + (31-1)×7 = 20 + 210 = 230.\n</reasoning>\nFinal Answer: 230" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "If the ratio of A to B is 39:22 and A = 33, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 39/22, so B = A × (22/39) = 33 × 22/39 = 18.6154.\n</reasoning>\nFinal Answer: 18.6154" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 7x + 24 = -67" }, { "role": "assistant", "content": "<reasoning>\nSubtract 24 from both sides: 7x = -91. Divide by 7: x = -13.\n</reasoning>\nFinal Answer: -13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Is 133 a prime number? Answer Yes or No." }, { "role": "assistant", "content": "<reasoning>\n133 = 7 × 19, so it is not prime.\n</reasoning>\nFinal Answer: No" } ]
easy
[ "number_theory", "prime" ]
[ { "role": "user", "content": "Calculate: 746 ÷ 984" }, { "role": "assistant", "content": "<reasoning>\nDivide 746 by 984. 746 ÷ 984 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 17x + -16 = -713" }, { "role": "assistant", "content": "<reasoning>\nSubtract -16 from both sides: 17x = -697. Divide by 17: x = -41.\n</reasoning>\nFinal Answer: -41" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 13/11 + 20/14" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 13/11 + 20/14. Common denominator = 77. Result = 201/77.\n</reasoning>\nFinal Answer: 201/77" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 542 ÷ -936" }, { "role": "assistant", "content": "<reasoning>\nDivide 542 by -936. 542 ÷ -936 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -599 × -926" }, { "role": "assistant", "content": "<reasoning>\nMultiply -599 by -926: -599 × -926 = 554674.\n</reasoning>\nFinal Answer: 554674" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 12:46 and A = 87, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 12/46, so B = A × (46/12) = 87 × 46/12 = 333.5.\n</reasoning>\nFinal Answer: 333.5" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 41 and common difference 7, find the 12th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 41 + (12-1)×7 = 41 + 77 = 118.\n</reasoning>\nFinal Answer: 118" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Decrease 995 by 35%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 35%: 995 × (1 - 35/100) = 995 × 0.65 = 646.75.\n</reasoning>\nFinal Answer: 646.75" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 12x + -4 = -448" }, { "role": "assistant", "content": "<reasoning>\nSubtract -4 from both sides: 12x = -444. Divide by 12: x = -37.\n</reasoning>\nFinal Answer: -37" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Decrease 708 by 12%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 12%: 708 × (1 - 12/100) = 708 × 0.88 = 623.04.\n</reasoning>\nFinal Answer: 623.04" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -646 ÷ 928" }, { "role": "assistant", "content": "<reasoning>\nDivide -646 by 928. -646 ÷ 928 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -538 - 919" }, { "role": "assistant", "content": "<reasoning>\nSubtract 919 from -538: -538 - 919 = -1457.\n</reasoning>\nFinal Answer: -1457" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 25x + -20 = 380" }, { "role": "assistant", "content": "<reasoning>\nSubtract -20 from both sides: 25x = 400. Divide by 25: x = 16.\n</reasoning>\nFinal Answer: 16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mode of: [78, 33, 92, 68, 23, 100]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {78: 1, 33: 1, 92: 1, 68: 1, 23: 1, 100: 1}. Most frequent: [78, 33, 92, 68, 23, 100].\n</reasoning>\nFinal Answer: [78, 33, 92, 68, 23, 100]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 44 and 18." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (44×18)/2 = 396.\n</reasoning>\nFinal Answer: 396" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Solve for x: 12x + 0 = -576" }, { "role": "assistant", "content": "<reasoning>\nSubtract 0 from both sides: 12x = -576. Divide by 12: x = -48.\n</reasoning>\nFinal Answer: -48" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -669 - -353" }, { "role": "assistant", "content": "<reasoning>\nSubtract -353 from -669: -669 - -353 = -316.\n</reasoning>\nFinal Answer: -316" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 6 * 48 + 16 * 49" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 6×48=288 and 16×49=784, then add: 1072.\n</reasoning>\nFinal Answer: 1072" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 22x + -6 = 1094" }, { "role": "assistant", "content": "<reasoning>\nSubtract -6 from both sides: 22x = 1100. Divide by 22: x = 50.\n</reasoning>\nFinal Answer: 50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 333 km apart. Their speeds are 74 km/h and 59 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 74+59=133 km/h. Time = 333/133 = 2.5038 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 46 + 18 * 17 - 45" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 18×17=306, then 46+306-45=307.\n</reasoning>\nFinal Answer: 307" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -982 + 593" }, { "role": "assistant", "content": "<reasoning>\nAdd -982 and 593: -982 + 593 = -389.\n</reasoning>\nFinal Answer: -389" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "88 is what percentage of 882?" }, { "role": "assistant", "content": "<reasoning>\n(88/882) × 100 = 9.9773%.\n</reasoning>\nFinal Answer: 9.9773%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "18 is what percentage of 19?" }, { "role": "assistant", "content": "<reasoning>\n(18/19) × 100 = 94.7368%.\n</reasoning>\nFinal Answer: 94.7368%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Evaluate using order of operations: 17 * 1 + 1 * 20" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 17×1=17 and 1×20=20, then add: 37.\n</reasoning>\nFinal Answer: 37" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 28x + 42 = 182" }, { "role": "assistant", "content": "<reasoning>\nSubtract 42 from both sides: 28x = 140. Divide by 28: x = 5.\n</reasoning>\nFinal Answer: 5" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 2x + 10 = -88" }, { "role": "assistant", "content": "<reasoning>\nSubtract 10 from both sides: 2x = -98. Divide by 2: x = -49.\n</reasoning>\nFinal Answer: -49" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "An item costs ₹3524. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3524 × 28/100 = 986.72. Total = 3524 + 986.72 = 4510.72.\n</reasoning>\nFinal Answer: 4510.72" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹2850 at 9% per annum for 7 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 2850 × 9 × 7 / 100 = 1795.5.\n</reasoning>\nFinal Answer: 1795.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 42, 49 and height 46." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (42+49) × 46 = 2093.0.\n</reasoning>\nFinal Answer: 2093.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 14/1 + 6/12" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 14/1 + 6/12. Common denominator = 2. Result = 29/2.\n</reasoning>\nFinal Answer: 29/2" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 40:17 and A = 66, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 40/17, so B = A × (17/40) = 66 × 17/40 = 28.05.\n</reasoning>\nFinal Answer: 28.05" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹23192 at 12% per annum for 9 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 23192 × 12 × 9 / 100 = 25047.36.\n</reasoning>\nFinal Answer: 25047.36" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mean of: [82, 10, 80, 23, 5, 63, 41]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 304/7 = 43.4286.\n</reasoning>\nFinal Answer: 43.4286" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Evaluate using order of operations: 5 + 11 ** 2 - 7" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 11²=121, then 5+121-7=119.\n</reasoning>\nFinal Answer: 119" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 140 and 86." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(140,86) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Simplify: 15/18 * 9/6" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (15/18) × (9/6) = (135/108) = 5/4 after simplification.\n</reasoning>\nFinal Answer: 5/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -994 × 11" }, { "role": "assistant", "content": "<reasoning>\nMultiply -994 by 11: -994 × 11 = -10934.\n</reasoning>\nFinal Answer: -10934" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -562 × 731" }, { "role": "assistant", "content": "<reasoning>\nMultiply -562 by 731: -562 × 731 = -410822.\n</reasoning>\nFinal Answer: -410822" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 97 and 92." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(97,92) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "What is 35% of 775?" }, { "role": "assistant", "content": "<reasoning>\n35% of 775 = (35/100) × 775 = 271.25.\n</reasoning>\nFinal Answer: 271.25" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "A train travels at 57 km/h. How far does it travel in 10 hours and 9 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 10 + 9/60 = 10.1500 hours. Distance = speed × time = 57 × 10.1500 = 578.55 km.\n</reasoning>\nFinal Answer: 578.55" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 268 - -308" }, { "role": "assistant", "content": "<reasoning>\nSubtract -308 from 268: 268 - -308 = 576.\n</reasoning>\nFinal Answer: 576" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 20x + 17 = -703" }, { "role": "assistant", "content": "<reasoning>\nSubtract 17 from both sides: 20x = -720. Divide by 20: x = -36.\n</reasoning>\nFinal Answer: -36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -524 mod -255" }, { "role": "assistant", "content": "<reasoning>\n-524 mod -255: -524 = -255 × 2 + -14, so remainder = -14.\n</reasoning>\nFinal Answer: -14" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Ravi has 21 apples and buys 142 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 21 + 142 = 163.\n</reasoning>\nFinal Answer: 163" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹31755 at 9% per annum for 2 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 31755 × 9 × 2 / 100 = 5715.9.\n</reasoning>\nFinal Answer: 5715.9" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the prime factorization of 331." }, { "role": "assistant", "content": "<reasoning>\nDivide 331 by smallest primes repeatedly: 331 = 331.\n</reasoning>\nFinal Answer: 331" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Decrease 618 by 90%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 90%: 618 × (1 - 90/100) = 618 × 0.09999999999999998 = 61.8.\n</reasoning>\nFinal Answer: 61.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 58 and height 88." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 58 × 88 = 5104.\n</reasoning>\nFinal Answer: 5104" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mode of: [70, 10, 51, 1, 5, 43]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {70: 1, 10: 1, 51: 1, 1: 1, 5: 1, 43: 1}. Most frequent: [70, 10, 51, 1, 5, 43].\n</reasoning>\nFinal Answer: [70, 10, 51, 1, 5, 43]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: 134 + 96" }, { "role": "assistant", "content": "<reasoning>\nAdd 134 and 96: 134 + 96 = 230.\n</reasoning>\nFinal Answer: 230" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 978 km apart. Their speeds are 70 km/h and 83 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 70+83=153 km/h. Time = 978/153 = 6.3922 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 41 + 44 ** 2 - 49" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 44²=1936, then 41+1936-49=1928.\n</reasoning>\nFinal Answer: 1928" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: 9 * 25 + 19 * 42" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 9×25=225 and 19×42=798, then add: 1023.\n</reasoning>\nFinal Answer: 1023" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -815 - -643" }, { "role": "assistant", "content": "<reasoning>\nSubtract -643 from -815: -815 - -643 = -172.\n</reasoning>\nFinal Answer: -172" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 16x + 40 = 248" }, { "role": "assistant", "content": "<reasoning>\nSubtract 40 from both sides: 16x = 208. Divide by 16: x = 13.\n</reasoning>\nFinal Answer: 13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -820 × 395" }, { "role": "assistant", "content": "<reasoning>\nMultiply -820 by 395: -820 × 395 = -323900.\n</reasoning>\nFinal Answer: -323900" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -718 × 278" }, { "role": "assistant", "content": "<reasoning>\nMultiply -718 by 278: -718 × 278 = -199604.\n</reasoning>\nFinal Answer: -199604" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 40% of 400?" }, { "role": "assistant", "content": "<reasoning>\n40% of 400 = (40/100) × 400 = 160.0.\n</reasoning>\nFinal Answer: 160.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 27 and common difference 4, find the 22th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 27 + (22-1)×4 = 27 + 84 = 111.\n</reasoning>\nFinal Answer: 111" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Increase 596 by 90%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 90%: 596 × (1 + 90/100) = 596 × 1.9 = 1132.4.\n</reasoning>\nFinal Answer: 1132.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (2 + 24) * (38 - 22)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (2+24)=26, (38-22)=16, then 26×16=416.\n</reasoning>\nFinal Answer: 416" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "9 workers can complete a job in 18 days. How many days will 8 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 9 × 18 = 162 worker-days. New time = 162 / 8 = 20.25 days.\n</reasoning>\nFinal Answer: 20.25" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Increase 332 by 75%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 75%: 332 × (1 + 75/100) = 332 × 1.75 = 581.0.\n</reasoning>\nFinal Answer: 581.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 24 and width 58." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(24+58) = 2×82 = 164.\n</reasoning>\nFinal Answer: 164" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "What is 10% of 265?" }, { "role": "assistant", "content": "<reasoning>\n10% of 265 = (10/100) × 265 = 26.5.\n</reasoning>\nFinal Answer: 26.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a triangle with base 40 and height 53." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 40 × 53 = 1060.0.\n</reasoning>\nFinal Answer: 1060.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 144 ÷ 236" }, { "role": "assistant", "content": "<reasoning>\nDivide 144 by 236. 144 ÷ 236 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "74 is what percentage of 312?" }, { "role": "assistant", "content": "<reasoning>\n(74/312) × 100 = 23.7179%.\n</reasoning>\nFinal Answer: 23.7179%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Calculate: -93 × -454" }, { "role": "assistant", "content": "<reasoning>\nMultiply -93 by -454: -93 × -454 = 42222.\n</reasoning>\nFinal Answer: 42222" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "23 is what percentage of 30?" }, { "role": "assistant", "content": "<reasoning>\n(23/30) × 100 = 76.6667%.\n</reasoning>\nFinal Answer: 76.6667%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Calculate: -720 ÷ 435" }, { "role": "assistant", "content": "<reasoning>\nDivide -720 by 435. -720 ÷ 435 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 21, 1 and height 12." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (21+1) × 12 = 132.0.\n</reasoning>\nFinal Answer: 132.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 3 and width 12." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(3+12) = 2×15 = 30.\n</reasoning>\nFinal Answer: 30" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve for x: 16x + -35 = 541" }, { "role": "assistant", "content": "<reasoning>\nSubtract -35 from both sides: 16x = 576. Divide by 16: x = 36.\n</reasoning>\nFinal Answer: 36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 7/14 / 15/2" }, { "role": "assistant", "content": "<reasoning>\nDivide: (7/14) ÷ (15/2) = (7/14) × (2/15) = 1/15.\n</reasoning>\nFinal Answer: 1/15" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 588 mod -572" }, { "role": "assistant", "content": "<reasoning>\n588 mod -572: 588 = -572 × -2 + -556, so remainder = -556.\n</reasoning>\nFinal Answer: -556" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 18x + 46 = 838" }, { "role": "assistant", "content": "<reasoning>\nSubtract 46 from both sides: 18x = 792. Divide by 18: x = 44.\n</reasoning>\nFinal Answer: 44" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Given A = [1, 5, 7, 11, 18] and B = [1, 8, 14, 19], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [1].\n</reasoning>\nFinal Answer: [1]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Solve for x: 2x + -32 = -18" }, { "role": "assistant", "content": "<reasoning>\nSubtract -32 from both sides: 2x = 14. Divide by 2: x = 7.\n</reasoning>\nFinal Answer: 7" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 2x + -10 = -16" }, { "role": "assistant", "content": "<reasoning>\nSubtract -10 from both sides: 2x = -6. Divide by 2: x = -3.\n</reasoning>\nFinal Answer: -3" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "7 workers can complete a job in 19 days. How many days will 8 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 7 × 19 = 133 worker-days. New time = 133 / 8 = 16.625 days.\n</reasoning>\nFinal Answer: 16.625" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 33:25 and A = 31, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 33/25, so B = A × (25/33) = 31 × 25/33 = 23.4848.\n</reasoning>\nFinal Answer: 23.4848" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 175 mod -960" }, { "role": "assistant", "content": "<reasoning>\n175 mod -960: 175 = -960 × -1 + -785, so remainder = -785.\n</reasoning>\nFinal Answer: -785" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 938 mod -691" }, { "role": "assistant", "content": "<reasoning>\n938 mod -691: 938 = -691 × -2 + -444, so remainder = -444.\n</reasoning>\nFinal Answer: -444" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 8 + 30 ** 2 - 43" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 30²=900, then 8+900-43=865.\n</reasoning>\nFinal Answer: 865" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 27x + -39 = -444" }, { "role": "assistant", "content": "<reasoning>\nSubtract -39 from both sides: 27x = -405. Divide by 27: x = -15.\n</reasoning>\nFinal Answer: -15" } ]
medium
[ "algebra", "linear_equation" ]