messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Solve for x: 8x + 20 = 228" }, { "role": "assistant", "content": "<reasoning>\nSubtract 20 from both sides: 8x = 208. Divide by 8: x = 26.\n</reasoning>\nFinal Answer: 26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mean of: [76, 61, 35, 71, 67, 1, 1, 43, 4, 42]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 401/10 = 40.1.\n</reasoning>\nFinal Answer: 40.1" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Evaluate using order of operations: 47 + 10 ** 2 - 22" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 10²=100, then 47+100-22=125.\n</reasoning>\nFinal Answer: 125" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 14x + -46 = -466" }, { "role": "assistant", "content": "<reasoning>\nSubtract -46 from both sides: 14x = -420. Divide by 14: x = -30.\n</reasoning>\nFinal Answer: -30" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the range of: [58, 85, 43, 66, 37, 66, 68, 67, 76]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 85 - 37 = 48.\n</reasoning>\nFinal Answer: 48" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Simplify: 5/13 * 15/7" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (5/13) × (15/7) = (75/91) = 75/91 after simplification.\n</reasoning>\nFinal Answer: 75/91" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the range of: [19, 94, 79, 27, 35]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 94 - 19 = 75.\n</reasoning>\nFinal Answer: 75" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Simplify: 6/20 / 16/11" }, { "role": "assistant", "content": "<reasoning>\nDivide: (6/20) ÷ (16/11) = (6/20) × (11/16) = 33/160.\n</reasoning>\nFinal Answer: 33/160" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹707. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 707 × 28/100 = 197.96. Total = 707 + 197.96 = 904.96.\n</reasoning>\nFinal Answer: 904.96" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 12x + 25 = -503" }, { "role": "assistant", "content": "<reasoning>\nSubtract 25 from both sides: 12x = -528. Divide by 12: x = -44.\n</reasoning>\nFinal Answer: -44" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 841 + -22" }, { "role": "assistant", "content": "<reasoning>\nAdd 841 and -22: 841 + -22 = 819.\n</reasoning>\nFinal Answer: 819" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 27x + 1 = -215" }, { "role": "assistant", "content": "<reasoning>\nSubtract 1 from both sides: 27x = -216. Divide by 27: x = -8.\n</reasoning>\nFinal Answer: -8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -901 × 505" }, { "role": "assistant", "content": "<reasoning>\nMultiply -901 by 505: -901 × 505 = -455005.\n</reasoning>\nFinal Answer: -455005" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 55 and height 95." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 55 × 95 = 5225.\n</reasoning>\nFinal Answer: 5225" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 16/7 * 19/15" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (16/7) × (19/15) = (304/105) = 304/105 after simplification.\n</reasoning>\nFinal Answer: 304/105" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Given A = [6, 9, 16] and B = [1, 6, 10, 13, 14, 16], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [9].\n</reasoning>\nFinal Answer: [9]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 16/16 - 20/15" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 16/16 - 20/15. LCD = 3. Result = -1/3.\n</reasoning>\nFinal Answer: -1/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 87 × -282" }, { "role": "assistant", "content": "<reasoning>\nMultiply 87 by -282: 87 × -282 = -24534.\n</reasoning>\nFinal Answer: -24534" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 10x + 47 = -373" }, { "role": "assistant", "content": "<reasoning>\nSubtract 47 from both sides: 10x = -420. Divide by 10: x = -42.\n</reasoning>\nFinal Answer: -42" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "An item costs ₹2567. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 2567 × 28/100 = 718.76. Total = 2567 + 718.76 = 3285.76.\n</reasoning>\nFinal Answer: 3285.76" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Decrease 111 by 7%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 7%: 111 × (1 - 7/100) = 111 × 0.9299999999999999 = 103.23.\n</reasoning>\nFinal Answer: 103.23" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 70 and 160." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(70,160) = 10.\n</reasoning>\nFinal Answer: 10" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Solve for x: 13x + -4 = -498" }, { "role": "assistant", "content": "<reasoning>\nSubtract -4 from both sides: 13x = -494. Divide by 13: x = -38.\n</reasoning>\nFinal Answer: -38" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 32 + 22 ** 2 - 3" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 22²=484, then 32+484-3=513.\n</reasoning>\nFinal Answer: 513" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the median of: [65, 97, 59, 16, 9, 24]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [9, 16, 24, 59, 65, 97]. Middle value(s) → median = 41.5.\n</reasoning>\nFinal Answer: 41.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the area of a triangle with base 83 and height 65." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 83 × 65 = 2697.5.\n</reasoning>\nFinal Answer: 2697.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 9/1 - 7/20" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 9/1 - 7/20. LCD = 20. Result = 173/20.\n</reasoning>\nFinal Answer: 173/20" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 50 and common difference 10, find the 50th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 50 + (50-1)×10 = 50 + 490 = 540.\n</reasoning>\nFinal Answer: 540" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 22x + 32 = -166" }, { "role": "assistant", "content": "<reasoning>\nSubtract 32 from both sides: 22x = -198. Divide by 22: x = -9.\n</reasoning>\nFinal Answer: -9" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 750 × -402" }, { "role": "assistant", "content": "<reasoning>\nMultiply 750 by -402: 750 × -402 = -301500.\n</reasoning>\nFinal Answer: -301500" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 4x + 46 = 34" }, { "role": "assistant", "content": "<reasoning>\nSubtract 46 from both sides: 4x = -12. Divide by 4: x = -3.\n</reasoning>\nFinal Answer: -3" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 14/17 + 1/7" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 14/17 + 1/7. Common denominator = 119. Result = 115/119.\n</reasoning>\nFinal Answer: 115/119" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Given A = [5, 14, 18] and B = [4, 11, 12, 13, 19], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [].\n</reasoning>\nFinal Answer: []" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 706 ÷ -575" }, { "role": "assistant", "content": "<reasoning>\nDivide 706 by -575. 706 ÷ -575 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 16/14 / 6/18" }, { "role": "assistant", "content": "<reasoning>\nDivide: (16/14) ÷ (6/18) = (16/14) × (18/6) = 24/7.\n</reasoning>\nFinal Answer: 24/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 28x + -33 = -1293" }, { "role": "assistant", "content": "<reasoning>\nSubtract -33 from both sides: 28x = -1260. Divide by 28: x = -45.\n</reasoning>\nFinal Answer: -45" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 29 + 42 * 4 - 14" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 42×4=168, then 29+168-14=183.\n</reasoning>\nFinal Answer: 183" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the median of: [8, 45, 37, 36, 91, 14, 16, 93, 68, 90]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [8, 14, 16, 36, 37, 45, 68, 90, 91, 93]. Middle value(s) → median = 41.0.\n</reasoning>\nFinal Answer: 41.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Simplify: 12/4 * 2/14" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (12/4) × (2/14) = (24/56) = 3/7 after simplification.\n</reasoning>\nFinal Answer: 3/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 472 - 868" }, { "role": "assistant", "content": "<reasoning>\nSubtract 868 from 472: 472 - 868 = -396.\n</reasoning>\nFinal Answer: -396" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 32:20 and A = 34, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 32/20, so B = A × (20/32) = 34 × 20/32 = 21.25.\n</reasoning>\nFinal Answer: 21.25" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 10 * 43 + 38 * 11" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 10×43=430 and 38×11=418, then add: 848.\n</reasoning>\nFinal Answer: 848" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Given A = [2, 5, 8, 19] and B = [1, 2, 10, 11, 12, 16, 17, 19], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 2, 5, 8, 10, 11, 12, 16, 17, 19].\n</reasoning>\nFinal Answer: [1, 2, 5, 8, 1...
medium
[ "set_theory" ]
[ { "role": "user", "content": "9 workers can complete a job in 5 days. How many days will 4 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 9 × 5 = 45 worker-days. New time = 45 / 4 = 11.25 days.\n</reasoning>\nFinal Answer: 11.25" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 65 + 115" }, { "role": "assistant", "content": "<reasoning>\nAdd 65 and 115: 65 + 115 = 180.\n</reasoning>\nFinal Answer: 180" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹45785 at 18% per annum for 9 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 45785 × 18 × 9 / 100 = 74171.7.\n</reasoning>\nFinal Answer: 74171.7" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mode of: [83, 99, 28, 98, 21, 60, 25, 55, 87, 86]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {83: 1, 99: 1, 28: 1, 98: 1, 21: 1, 60: 1, 25: 1, 55: 1, 87: 1, 86: 1}. Most frequent: [83, 99, 28, 98, 21, 60, 25, 55, 87, 86].\n</reas...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the prime factorization of 105." }, { "role": "assistant", "content": "<reasoning>\nDivide 105 by smallest primes repeatedly: 105 = 3 × 5 × 7.\n</reasoning>\nFinal Answer: 3 × 5 × 7" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Find the range of: [54, 67, 47, 29, 42, 87, 47]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 87 - 29 = 58.\n</reasoning>\nFinal Answer: 58" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Calculate: -695 mod -337" }, { "role": "assistant", "content": "<reasoning>\n-695 mod -337: -695 = -337 × 2 + -21, so remainder = -21.\n</reasoning>\nFinal Answer: -21" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 12:11 and A = 51, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 12/11, so B = A × (11/12) = 51 × 11/12 = 46.75.\n</reasoning>\nFinal Answer: 46.75" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 15/20 + 5/6" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 15/20 + 5/6. Common denominator = 12. Result = 19/12.\n</reasoning>\nFinal Answer: 19/12" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a triangle with base 36 and height 58." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 36 × 58 = 1044.0.\n</reasoning>\nFinal Answer: 1044.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 625 km apart. Their speeds are 88 km/h and 51 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 88+51=139 km/h. Time = 625/139 = 4.4964 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the next term in the sequence: [16, 22, 28, 34, 40]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 16 and common difference 6. Next term = 40 + 6 = 46.\n</reasoning>\nFinal Answer: 46" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: -783 ÷ 529" }, { "role": "assistant", "content": "<reasoning>\nDivide -783 by 529. -783 ÷ 529 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 16 + 13 * 25 - 34" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 13×25=325, then 16+325-34=307.\n</reasoning>\nFinal Answer: 307" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a triangle with base 51 and height 77." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 51 × 77 = 1963.5.\n</reasoning>\nFinal Answer: 1963.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 15x + -39 = 561" }, { "role": "assistant", "content": "<reasoning>\nSubtract -39 from both sides: 15x = 600. Divide by 15: x = 40.\n</reasoning>\nFinal Answer: 40" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the median of: [22, 53, 58, 76, 16]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [16, 22, 53, 58, 76]. Middle value(s) → median = 53.\n</reasoning>\nFinal Answer: 53" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "18 workers can complete a job in 14 days. How many days will 11 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 18 × 14 = 252 worker-days. New time = 252 / 11 = 22.9091 days.\n</reasoning>\nFinal Answer: 22.9091" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Decrease 151 by 20%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 20%: 151 × (1 - 20/100) = 151 × 0.8 = 120.8.\n</reasoning>\nFinal Answer: 120.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 7 * 42 + 26 * 7" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 7×42=294 and 26×7=182, then add: 476.\n</reasoning>\nFinal Answer: 476" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mode of: [53, 3, 25, 72, 18, 28]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {53: 1, 3: 1, 25: 1, 72: 1, 18: 1, 28: 1}. Most frequent: [53, 3, 25, 72, 18, 28].\n</reasoning>\nFinal Answer: [53, 3, 25, 72, 18, 28]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Decrease 611 by 45%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 45%: 611 × (1 - 45/100) = 611 × 0.55 = 336.05.\n</reasoning>\nFinal Answer: 336.05" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [41, 94, 76, 93, 92]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 396/5 = 79.2.\n</reasoning>\nFinal Answer: 79.2" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹6791 at 7% per annum for 2 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 6791 × 7 × 2 / 100 = 950.74.\n</reasoning>\nFinal Answer: 950.74" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the median of: [49, 73, 11, 35, 9, 12]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [9, 11, 12, 35, 49, 73]. Middle value(s) → median = 23.5.\n</reasoning>\nFinal Answer: 23.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the mode of: [100, 52, 96, 48, 37]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {100: 1, 52: 1, 96: 1, 48: 1, 37: 1}. Most frequent: [100, 52, 96, 48, 37].\n</reasoning>\nFinal Answer: [100, 52, 96, 48, 37]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: -156 mod 478" }, { "role": "assistant", "content": "<reasoning>\n-156 mod 478: -156 = 478 × -1 + 322, so remainder = 322.\n</reasoning>\nFinal Answer: 322" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 5/14 + 14/20" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 5/14 + 14/20. Common denominator = 70. Result = 37/35.\n</reasoning>\nFinal Answer: 37/35" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 36 + 6 * 46 - 21" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 6×46=276, then 36+276-21=291.\n</reasoning>\nFinal Answer: 291" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Increase 606 by 20%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 20%: 606 × (1 + 20/100) = 606 × 1.2 = 727.2.\n</reasoning>\nFinal Answer: 727.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 11/19 - 10/11" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 11/19 - 10/11. LCD = 209. Result = -69/209.\n</reasoning>\nFinal Answer: -69/209" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 11 and height 83." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 11 × 83 = 913.\n</reasoning>\nFinal Answer: 913" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 21 + 35 ** 2 - 20" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 35²=1225, then 21+1225-20=1226.\n</reasoning>\nFinal Answer: 1226" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mean of: [76, 7, 81, 59, 11, 56, 3, 96, 38, 9]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 436/10 = 43.6.\n</reasoning>\nFinal Answer: 43.6" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Decrease 63 by 7%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 7%: 63 × (1 - 7/100) = 63 × 0.9299999999999999 = 58.59.\n</reasoning>\nFinal Answer: 58.59" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 16/17 + 13/7" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 16/17 + 13/7. Common denominator = 119. Result = 333/119.\n</reasoning>\nFinal Answer: 333/119" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 4:25 and A = 61, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 4/25, so B = A × (25/4) = 61 × 25/4 = 381.25.\n</reasoning>\nFinal Answer: 381.25" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Decrease 26 by 80%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 80%: 26 × (1 - 80/100) = 26 × 0.19999999999999996 = 5.2.\n</reasoning>\nFinal Answer: 5.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 33 + 37 * 44 - 17" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 37×44=1628, then 33+1628-17=1644.\n</reasoning>\nFinal Answer: 1644" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Given A = [1, 3, 5, 9, 10, 15, 16, 18] and B = [4, 5, 6, 15, 18], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 3, 4, 5, 6, 9, 10, 15, 16, 18].\n</reasoning>\nFinal Answer: [1, 3, 4, 5, 6...
medium
[ "set_theory" ]
[ { "role": "user", "content": "A train travels at 49 km/h. How far does it travel in 4 hours and 45 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 4 + 45/60 = 4.7500 hours. Distance = speed × time = 49 × 4.7500 = 232.75 km.\n</reasoning>\nFinal Answer: 232.75" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Decrease 263 by 3%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 3%: 263 × (1 - 3/100) = 263 × 0.97 = 255.11.\n</reasoning>\nFinal Answer: 255.11" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 67 and width 12." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(67+12) = 2×79 = 158.\n</reasoning>\nFinal Answer: 158" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "An item costs ₹917. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 917 × 12/100 = 110.04. Total = 917 + 110.04 = 1027.04.\n</reasoning>\nFinal Answer: 1027.04" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 16:19 and A = 24, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 16/19, so B = A × (19/16) = 24 × 19/16 = 28.5.\n</reasoning>\nFinal Answer: 28.5" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 30 and 4." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(30,4) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "What is 75% of 145?" }, { "role": "assistant", "content": "<reasoning>\n75% of 145 = (75/100) × 145 = 108.75.\n</reasoning>\nFinal Answer: 108.75" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 38:12 and A = 20, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 38/12, so B = A × (12/38) = 20 × 12/38 = 6.3158.\n</reasoning>\nFinal Answer: 6.3158" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a triangle with base 54 and height 20." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 54 × 20 = 540.0.\n</reasoning>\nFinal Answer: 540.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "An item costs ₹1729. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1729 × 12/100 = 207.48. Total = 1729 + 207.48 = 1936.48.\n</reasoning>\nFinal Answer: 1936.48" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 191 + -88" }, { "role": "assistant", "content": "<reasoning>\nAdd 191 and -88: 191 + -88 = 103.\n</reasoning>\nFinal Answer: 103" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 12/5 - 6/13" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 12/5 - 6/13. LCD = 65. Result = 126/65.\n</reasoning>\nFinal Answer: 126/65" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Ravi has 190 apples and buys 108 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 190 + 108 = 298.\n</reasoning>\nFinal Answer: 298" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "What is 30% of 873?" }, { "role": "assistant", "content": "<reasoning>\n30% of 873 = (30/100) × 873 = 261.9.\n</reasoning>\nFinal Answer: 261.9" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [84, 78, 2, 16, 88, 93, 12, 55, 41]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 469/9 = 52.1111.\n</reasoning>\nFinal Answer: 52.1111" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Simplify: 1/13 + 15/14" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 1/13 + 15/14. Common denominator = 182. Result = 209/182.\n</reasoning>\nFinal Answer: 209/182" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 6x + -44 = -104" }, { "role": "assistant", "content": "<reasoning>\nSubtract -44 from both sides: 6x = -60. Divide by 6: x = -10.\n</reasoning>\nFinal Answer: -10" } ]
easy
[ "algebra", "linear_equation" ]