messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the range of: [42, 35, 22, 39, 27, 68, 83, 100, 58]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 100 - 22 = 78.\n</reasoning>\nFinal Answer: 78" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Simplify: 16/20 / 17/9" }, { "role": "assistant", "content": "<reasoning>\nDivide: (16/20) ÷ (17/9) = (16/20) × (9/17) = 36/85.\n</reasoning>\nFinal Answer: 36/85" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹12463 at 13% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 12463 × 13 × 1 / 100 = 1620.19.\n</reasoning>\nFinal Answer: 1620.19" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mean of: [87, 97, 54, 33, 10, 100, 23, 88]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 492/8 = 61.5.\n</reasoning>\nFinal Answer: 61.5" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Decrease 207 by 7%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 7%: 207 × (1 - 7/100) = 207 × 0.9299999999999999 = 192.51.\n</reasoning>\nFinal Answer: 192.51" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 1 and width 10." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 1 × 10 = 10.\n</reasoning>\nFinal Answer: 10" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 67 and width 98." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(67+98) = 2×165 = 330.\n</reasoning>\nFinal Answer: 330" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the mean of: [51, 47, 53, 1, 35, 5, 88]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 280/7 = 40.0.\n</reasoning>\nFinal Answer: 40.0" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 92 and width 62." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 92 × 62 = 5704.\n</reasoning>\nFinal Answer: 5704" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 644 km apart. Their speeds are 74 km/h and 117 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 74+117=191 km/h. Time = 644/191 = 3.3717 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a triangle with base 71 and height 68." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 71 × 68 = 2414.0.\n</reasoning>\nFinal Answer: 2414.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 14, 19 and height 12." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (14+19) × 12 = 198.0.\n</reasoning>\nFinal Answer: 198.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "A train travels at 141 km/h. How far does it travel in 7 hours and 27 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 7 + 27/60 = 7.4500 hours. Distance = speed × time = 141 × 7.4500 = 1050.45 km.\n</reasoning>\nFinal Answer: 1050.45" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Ravi has 159 apples and buys 145 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 159 + 145 = 304.\n</reasoning>\nFinal Answer: 304" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 694 × 451" }, { "role": "assistant", "content": "<reasoning>\nMultiply 694 by 451: 694 × 451 = 312994.\n</reasoning>\nFinal Answer: 312994" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 23x + -44 = 2" }, { "role": "assistant", "content": "<reasoning>\nSubtract -44 from both sides: 23x = 46. Divide by 23: x = 2.\n</reasoning>\nFinal Answer: 2" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 33:18 and A = 24, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 33/18, so B = A × (18/33) = 24 × 18/33 = 13.0909.\n</reasoning>\nFinal Answer: 13.0909" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 100 × 960" }, { "role": "assistant", "content": "<reasoning>\nMultiply 100 by 960: 100 × 960 = 96000.\n</reasoning>\nFinal Answer: 96000" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the median of: [67, 78, 58, 50, 69, 77]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [50, 58, 67, 69, 77, 78]. Middle value(s) → median = 68.0.\n</reasoning>\nFinal Answer: 68.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the mode of: [92, 97, 45, 42, 17, 9, 92, 43, 78, 99]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {92: 2, 97: 1, 45: 1, 42: 1, 17: 1, 9: 1, 43: 1, 78: 1, 99: 1}. Most frequent: 92.\n</reasoning>\nFinal Answer: 92" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Increase 830 by 90%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 90%: 830 × (1 + 90/100) = 830 × 1.9 = 1577.0.\n</reasoning>\nFinal Answer: 1577.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "What is 45% of 953?" }, { "role": "assistant", "content": "<reasoning>\n45% of 953 = (45/100) × 953 = 428.85.\n</reasoning>\nFinal Answer: 428.85" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a triangle with base 19 and height 87." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 19 × 87 = 826.5.\n</reasoning>\nFinal Answer: 826.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 1x + -43 = -36" }, { "role": "assistant", "content": "<reasoning>\nSubtract -43 from both sides: 1x = 7. Divide by 1: x = 7.\n</reasoning>\nFinal Answer: 7" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 722 - -483" }, { "role": "assistant", "content": "<reasoning>\nSubtract -483 from 722: 722 - -483 = 1205.\n</reasoning>\nFinal Answer: 1205" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 16x + 43 = -533" }, { "role": "assistant", "content": "<reasoning>\nSubtract 43 from both sides: 16x = -576. Divide by 16: x = -36.\n</reasoning>\nFinal Answer: -36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve: 1x² + (-6)x + (5) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -6² - 4×1×5 = 16. √discriminant = 4. x = (-(-6) ± 4) / (2×1). Solutions: x = 5 or x = 1.\n</reasoning>\nFinal Answer: x = 5 or x = 1" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Given A = [1, 7, 10] and B = [9, 10, 15], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [1, 7].\n</reasoning>\nFinal Answer: [1, 7]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: -55 mod -717" }, { "role": "assistant", "content": "<reasoning>\n-55 mod -717: -55 = -717 × 0 + -55, so remainder = -55.\n</reasoning>\nFinal Answer: -55" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 93 and height 14." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 93 × 14 = 651.0.\n</reasoning>\nFinal Answer: 651.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 128 apples and buys 125 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 128 + 125 = 253.\n</reasoning>\nFinal Answer: 253" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the median of: [71, 17, 76, 86, 88, 32, 21]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [17, 21, 32, 71, 76, 86, 88]. Middle value(s) → median = 71.\n</reasoning>\nFinal Answer: 71" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Solve for x: 28x + 36 = -20" }, { "role": "assistant", "content": "<reasoning>\nSubtract 36 from both sides: 28x = -56. Divide by 28: x = -2.\n</reasoning>\nFinal Answer: -2" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mean of: [87, 63, 68, 33, 68]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 319/5 = 63.8.\n</reasoning>\nFinal Answer: 63.8" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Simplify: 17/4 - 19/1" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 17/4 - 19/1. LCD = 4. Result = -59/4.\n</reasoning>\nFinal Answer: -59/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 8/10 - 20/9" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 8/10 - 20/9. LCD = 45. Result = -64/45.\n</reasoning>\nFinal Answer: -64/45" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -15 - 811" }, { "role": "assistant", "content": "<reasoning>\nSubtract 811 from -15: -15 - 811 = -826.\n</reasoning>\nFinal Answer: -826" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 37, 28 and height 49." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (37+28) × 49 = 1592.5.\n</reasoning>\nFinal Answer: 1592.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 95 and width 82." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(95+82) = 2×177 = 354.\n</reasoning>\nFinal Answer: 354" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Given A = [1, 6, 7, 17] and B = [2, 4, 9, 11, 13, 17], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 2, 4, 6, 7, 9, 11, 13, 17].\n</reasoning>\nFinal Answer: [1, 2, 4, 6, 7, 9, 11, 13, 17...
medium
[ "set_theory" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 5 and common difference 18, find the 15th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 5 + (15-1)×18 = 5 + 252 = 257.\n</reasoning>\nFinal Answer: 257" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "If the ratio of A to B is 45:39 and A = 94, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 45/39, so B = A × (39/45) = 94 × 39/45 = 81.4667.\n</reasoning>\nFinal Answer: 81.4667" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 49:14 and A = 6, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 49/14, so B = A × (14/49) = 6 × 14/49 = 1.7143.\n</reasoning>\nFinal Answer: 1.7143" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Given A = [1, 5, 10, 11, 18] and B = [5, 6, 7, 12, 16], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 5, 6, 7, 10, 11, 12, 16, 18].\n</reasoning>\nFinal Answer: [1, 5, 6, 7, 10, 11, 12, 1...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 10 and height 61." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 10 × 61 = 610.\n</reasoning>\nFinal Answer: 610" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 42, 6 and height 2." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (42+6) × 2 = 48.0.\n</reasoning>\nFinal Answer: 48.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 19/15 + 1/13" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 19/15 + 1/13. Common denominator = 195. Result = 262/195.\n</reasoning>\nFinal Answer: 262/195" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹44427 at 2% per annum for 7 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 44427 × 2 × 7 / 100 = 6219.78.\n</reasoning>\nFinal Answer: 6219.78" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "A train travels at 87 km/h. How far does it travel in 6 hours and 16 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 6 + 16/60 = 6.2667 hours. Distance = speed × time = 87 × 6.2667 = 545.2 km.\n</reasoning>\nFinal Answer: 545.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 49 and height 51." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 49 × 51 = 2499.\n</reasoning>\nFinal Answer: 2499" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 19x + 38 = -494" }, { "role": "assistant", "content": "<reasoning>\nSubtract 38 from both sides: 19x = -532. Divide by 19: x = -28.\n</reasoning>\nFinal Answer: -28" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mode of: [59, 35, 24, 58, 69, 18, 35, 64]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {59: 1, 35: 2, 24: 1, 58: 1, 69: 1, 18: 1, 64: 1}. Most frequent: 35.\n</reasoning>\nFinal Answer: 35" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Simplify: 6/10 * 17/16" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (6/10) × (17/16) = (102/160) = 51/80 after simplification.\n</reasoning>\nFinal Answer: 51/80" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 39 + 37 ** 2 - 20" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 37²=1369, then 39+1369-20=1388.\n</reasoning>\nFinal Answer: 1388" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A bag has 10 red and 4 blue balls. What is the probability of drawing a red ball?" }, { "role": "assistant", "content": "<reasoning>\nP(red) = 10/14 = 0.7143.\n</reasoning>\nFinal Answer: 0.7143" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "Decrease 831 by 35%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 35%: 831 × (1 - 35/100) = 831 × 0.65 = 540.15.\n</reasoning>\nFinal Answer: 540.15" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 543 + -996" }, { "role": "assistant", "content": "<reasoning>\nAdd 543 and -996: 543 + -996 = -453.\n</reasoning>\nFinal Answer: -453" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "17 workers can complete a job in 14 days. How many days will 18 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 17 × 14 = 238 worker-days. New time = 238 / 18 = 13.2222 days.\n</reasoning>\nFinal Answer: 13.2222" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 15/11 - 7/19" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 15/11 - 7/19. LCD = 209. Result = 208/209.\n</reasoning>\nFinal Answer: 208/209" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 45 and common difference 14, find the 22th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 45 + (22-1)×14 = 45 + 294 = 339.\n</reasoning>\nFinal Answer: 339" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "An item costs ₹3408. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3408 × 28/100 = 954.24. Total = 3408 + 954.24 = 4362.24.\n</reasoning>\nFinal Answer: 4362.24" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 131 and 132." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(131,132) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Given A = [4, 10, 12, 16, 19] and B = [1, 2, 3, 4, 6, 17], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [4].\n</reasoning>\nFinal Answer: [4]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 467 ÷ 652" }, { "role": "assistant", "content": "<reasoning>\nDivide 467 by 652. 467 ÷ 652 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 30 + 12 ** 2 - 7" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 12²=144, then 30+144-7=167.\n</reasoning>\nFinal Answer: 167" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Ravi has 28 apples and buys 159 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 28 + 159 = 187.\n</reasoning>\nFinal Answer: 187" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mode of: [11, 28, 94, 94, 76, 75, 24, 67, 18, 32]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {11: 1, 28: 1, 94: 2, 76: 1, 75: 1, 24: 1, 67: 1, 18: 1, 32: 1}. Most frequent: 94.\n</reasoning>\nFinal Answer: 94" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the mode of: [81, 83, 41, 28, 7, 58, 8, 60, 47, 92]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {81: 1, 83: 1, 41: 1, 28: 1, 7: 1, 58: 1, 8: 1, 60: 1, 47: 1, 92: 1}. Most frequent: [81, 83, 41, 28, 7, 58, 8, 60, 47, 92].\n</reasoning>...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 37, 43 and height 33." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (37+43) × 33 = 1320.0.\n</reasoning>\nFinal Answer: 1320.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "What is 45% of 47?" }, { "role": "assistant", "content": "<reasoning>\n45% of 47 = (45/100) × 47 = 21.15.\n</reasoning>\nFinal Answer: 21.15" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Increase 120 by 100%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 100%: 120 × (1 + 100/100) = 120 × 2.0 = 240.0.\n</reasoning>\nFinal Answer: 240.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 5/1 - 4/2" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 5/1 - 4/2. LCD = 1. Result = 3.\n</reasoning>\nFinal Answer: 3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 45 and width 68." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(45+68) = 2×113 = 226.\n</reasoning>\nFinal Answer: 226" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve for x: 29x + -15 = 536" }, { "role": "assistant", "content": "<reasoning>\nSubtract -15 from both sides: 29x = 551. Divide by 29: x = 19.\n</reasoning>\nFinal Answer: 19" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 29 + 7 ** 2 - 25" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 7²=49, then 29+49-25=53.\n</reasoning>\nFinal Answer: 53" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 13x + -28 = 427" }, { "role": "assistant", "content": "<reasoning>\nSubtract -28 from both sides: 13x = 455. Divide by 13: x = 35.\n</reasoning>\nFinal Answer: 35" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mean of: [68, 19, 20, 99, 62]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 268/5 = 53.6.\n</reasoning>\nFinal Answer: 53.6" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -119 mod 764" }, { "role": "assistant", "content": "<reasoning>\n-119 mod 764: -119 = 764 × -1 + 645, so remainder = 645.\n</reasoning>\nFinal Answer: 645" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "An item costs ₹4237. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4237 × 12/100 = 508.44. Total = 4237 + 508.44 = 4745.44.\n</reasoning>\nFinal Answer: 4745.44" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 18x + -3 = 69" }, { "role": "assistant", "content": "<reasoning>\nSubtract -3 from both sides: 18x = 72. Divide by 18: x = 4.\n</reasoning>\nFinal Answer: 4" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "What is 25% of 338?" }, { "role": "assistant", "content": "<reasoning>\n25% of 338 = (25/100) × 338 = 84.5.\n</reasoning>\nFinal Answer: 84.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "7 workers can complete a job in 15 days. How many days will 12 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 7 × 15 = 105 worker-days. New time = 105 / 12 = 8.75 days.\n</reasoning>\nFinal Answer: 8.75" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 38 + 17 * 16 - 3" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 17×16=272, then 38+272-3=307.\n</reasoning>\nFinal Answer: 307" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 2/15 - 7/18" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 2/15 - 7/18. LCD = 90. Result = -23/90.\n</reasoning>\nFinal Answer: -23/90" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (36 + 38) * (8 - 40)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (36+38)=74, (8-40)=-32, then 74×-32=-2368.\n</reasoning>\nFinal Answer: -2368" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "What is 30% of 825?" }, { "role": "assistant", "content": "<reasoning>\n30% of 825 = (30/100) × 825 = 247.5.\n</reasoning>\nFinal Answer: 247.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹2033. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 2033 × 12/100 = 243.96. Total = 2033 + 243.96 = 2276.96.\n</reasoning>\nFinal Answer: 2276.96" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: (32 + 11) * (5 - 16)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (32+11)=43, (5-16)=-11, then 43×-11=-473.\n</reasoning>\nFinal Answer: -473" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mean of: [59, 76, 78, 81, 65, 94, 73, 41, 26]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 593/9 = 65.8889.\n</reasoning>\nFinal Answer: 65.8889" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the median of: [85, 2, 28, 4, 13, 42]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [2, 4, 13, 28, 42, 85]. Middle value(s) → median = 20.5.\n</reasoning>\nFinal Answer: 20.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Solve for x: 27x + -1 = -217" }, { "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": "Evaluate using order of operations: (3 + 27) * (11 - 4)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (3+27)=30, (11-4)=7, then 30×7=210.\n</reasoning>\nFinal Answer: 210" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 62 and width 57." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(62+57) = 2×119 = 238.\n</reasoning>\nFinal Answer: 238" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Decrease 494 by 90%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 90%: 494 × (1 - 90/100) = 494 × 0.09999999999999998 = 49.4.\n</reasoning>\nFinal Answer: 49.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the range of: [62, 85, 39, 32, 92]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 92 - 32 = 60.\n</reasoning>\nFinal Answer: 60" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the mode of: [86, 65, 40, 79, 75, 8, 95, 53]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {86: 1, 65: 1, 40: 1, 79: 1, 75: 1, 8: 1, 95: 1, 53: 1}. Most frequent: [86, 65, 40, 79, 75, 8, 95, 53].\n</reasoning>\nFinal Answer: [86, 65, 40...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the median of: [58, 26, 72, 49, 93, 76, 50, 45, 28]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [26, 28, 45, 49, 50, 58, 72, 76, 93]. Middle value(s) → median = 50.\n</reasoning>\nFinal Answer: 50" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Simplify: 14/16 + 6/14" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 14/16 + 6/14. Common denominator = 56. Result = 73/56.\n</reasoning>\nFinal Answer: 73/56" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 20/18 - 14/19" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 20/18 - 14/19. LCD = 171. Result = 64/171.\n</reasoning>\nFinal Answer: 64/171" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 31 and height 71." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 31 × 71 = 2201.\n</reasoning>\nFinal Answer: 2201" } ]
easy
[ "geometry", "area" ]