messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Ravi has 69 apples and buys 163 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 69 + 163 = 232.\n</reasoning>\nFinal Answer: 232" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the next term in the sequence: [18, 26, 34, 42, 50]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 18 and common difference 8. Next term = 50 + 8 = 58.\n</reasoning>\nFinal Answer: 58" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "If the ratio of A to B is 30:39 and A = 73, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 30/39, so B = A × (39/30) = 73 × 39/30 = 94.9.\n</reasoning>\nFinal Answer: 94.9" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Decrease 391 by 15%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 15%: 391 × (1 - 15/100) = 391 × 0.85 = 332.35.\n</reasoning>\nFinal Answer: 332.35" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -252 ÷ -623" }, { "role": "assistant", "content": "<reasoning>\nDivide -252 by -623. -252 ÷ -623 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [24, 61, 81, 41, 58, 83, 58, 88, 32, 31]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 557/10 = 55.7.\n</reasoning>\nFinal Answer: 55.7" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "An item costs ₹278. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 278 × 5/100 = 13.9. Total = 278 + 13.9 = 291.9.\n</reasoning>\nFinal Answer: 291.9" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 183 and 169." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(183,169) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "78 is what percentage of 789?" }, { "role": "assistant", "content": "<reasoning>\n(78/789) × 100 = 9.8859%.\n</reasoning>\nFinal Answer: 9.8859%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Decrease 8 by 40%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 40%: 8 × (1 - 40/100) = 8 × 0.6 = 4.8.\n</reasoning>\nFinal Answer: 4.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 812 - -272" }, { "role": "assistant", "content": "<reasoning>\nSubtract -272 from 812: 812 - -272 = 1084.\n</reasoning>\nFinal Answer: 1084" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Decrease 774 by 50%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 50%: 774 × (1 - 50/100) = 774 × 0.5 = 387.0.\n</reasoning>\nFinal Answer: 387.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Increase 417 by 90%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 90%: 417 × (1 + 90/100) = 417 × 1.9 = 792.3.\n</reasoning>\nFinal Answer: 792.3" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 215 km apart. Their speeds are 54 km/h and 47 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 54+47=101 km/h. Time = 215/101 = 2.1287 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 3/20 - 4/17" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 3/20 - 4/17. LCD = 340. Result = -29/340.\n</reasoning>\nFinal Answer: -29/340" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "A bag has 7 red and 5 blue balls. What is the probability of drawing a blue ball?" }, { "role": "assistant", "content": "<reasoning>\nP(blue) = 5/12 = 0.4167.\n</reasoning>\nFinal Answer: 0.4167" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "Calculate: -706 mod -724" }, { "role": "assistant", "content": "<reasoning>\n-706 mod -724: -706 = -724 × 0 + -706, so remainder = -706.\n</reasoning>\nFinal Answer: -706" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -648 ÷ -62" }, { "role": "assistant", "content": "<reasoning>\nDivide -648 by -62. -648 ÷ -62 = 10 (integer division).\n</reasoning>\nFinal Answer: 10" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 8x + 5 = 45" }, { "role": "assistant", "content": "<reasoning>\nSubtract 5 from both sides: 8x = 40. Divide by 8: x = 5.\n</reasoning>\nFinal Answer: 5" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 15/2 / 2/12" }, { "role": "assistant", "content": "<reasoning>\nDivide: (15/2) ÷ (2/12) = (15/2) × (12/2) = 45.\n</reasoning>\nFinal Answer: 45" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 4 and common difference 5, find the 32th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 4 + (32-1)×5 = 4 + 155 = 159.\n</reasoning>\nFinal Answer: 159" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "If the ratio of A to B is 46:15 and A = 34, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 46/15, so B = A × (15/46) = 34 × 15/46 = 11.087.\n</reasoning>\nFinal Answer: 11.087" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 552 ÷ 986" }, { "role": "assistant", "content": "<reasoning>\nDivide 552 by 986. 552 ÷ 986 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 8:48 and A = 64, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 8/48, so B = A × (48/8) = 64 × 48/8 = 384.0.\n</reasoning>\nFinal Answer: 384.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 27, 32 and height 13." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (27+32) × 13 = 383.5.\n</reasoning>\nFinal Answer: 383.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "12 workers can complete a job in 13 days. How many days will 19 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 12 × 13 = 156 worker-days. New time = 156 / 19 = 8.2105 days.\n</reasoning>\nFinal Answer: 8.2105" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Increase 12 by 40%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 40%: 12 × (1 + 40/100) = 12 × 1.4 = 16.8.\n</reasoning>\nFinal Answer: 16.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -142 × -294" }, { "role": "assistant", "content": "<reasoning>\nMultiply -142 by -294: -142 × -294 = 41748.\n</reasoning>\nFinal Answer: 41748" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [99, 60, 3, 63, 30, 99, 14, 81, 22, 66]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 99 - 3 = 96.\n</reasoning>\nFinal Answer: 96" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "A train travels at 152 km/h. How far does it travel in 8 hours and 50 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 8 + 50/60 = 8.8333 hours. Distance = speed × time = 152 × 8.8333 = 1342.6667 km.\n</reasoning>\nFinal Answer: 1342.6667" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: (1 + 12) * (10 - 40)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (1+12)=13, (10-40)=-30, then 13×-30=-390.\n</reasoning>\nFinal Answer: -390" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 19:39 and A = 1, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 19/39, so B = A × (39/19) = 1 × 39/19 = 2.0526.\n</reasoning>\nFinal Answer: 2.0526" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the mode of: [27, 4, 30, 42, 60, 40, 39, 4, 79]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {27: 1, 4: 2, 30: 1, 42: 1, 60: 1, 40: 1, 39: 1, 79: 1}. Most frequent: 4.\n</reasoning>\nFinal Answer: 4" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the median of: [11, 34, 12, 57, 50, 57, 27, 19, 80, 15]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [11, 12, 15, 19, 27, 34, 50, 57, 57, 80]. Middle value(s) → median = 30.5.\n</reasoning>\nFinal Answer: 30.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the mode of: [27, 63, 9, 49, 67, 87, 21, 13]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {27: 1, 63: 1, 9: 1, 49: 1, 67: 1, 87: 1, 21: 1, 13: 1}. Most frequent: [27, 63, 9, 49, 67, 87, 21, 13].\n</reasoning>\nFinal Answer: [27, 63, 9,...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: 743 - 450" }, { "role": "assistant", "content": "<reasoning>\nSubtract 450 from 743: 743 - 450 = 293.\n</reasoning>\nFinal Answer: 293" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 37 * 6 + 5 * 39" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 37×6=222 and 5×39=195, then add: 417.\n</reasoning>\nFinal Answer: 417" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 20/17 - 8/5" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 20/17 - 8/5. LCD = 85. Result = -36/85.\n</reasoning>\nFinal Answer: -36/85" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 11/9 / 7/15" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/9) ÷ (7/15) = (11/9) × (15/7) = 55/21.\n</reasoning>\nFinal Answer: 55/21" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 48 and 21." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (48×21)/3 = 336.\n</reasoning>\nFinal Answer: 336" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the range of: [61, 90, 22, 22, 9, 77, 85]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 90 - 9 = 81.\n</reasoning>\nFinal Answer: 81" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Calculate: 80 mod 641" }, { "role": "assistant", "content": "<reasoning>\n80 mod 641: 80 = 641 × 0 + 80, so remainder = 80.\n</reasoning>\nFinal Answer: 80" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 22x + 41 = 525" }, { "role": "assistant", "content": "<reasoning>\nSubtract 41 from both sides: 22x = 484. Divide by 22: x = 22.\n</reasoning>\nFinal Answer: 22" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 8/4 * 13/14" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (8/4) × (13/14) = (104/56) = 13/7 after simplification.\n</reasoning>\nFinal Answer: 13/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Ravi has 37 apples and buys 97 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 37 + 97 = 134.\n</reasoning>\nFinal Answer: 134" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 683 ÷ -852" }, { "role": "assistant", "content": "<reasoning>\nDivide 683 by -852. 683 ÷ -852 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [18, 62, 48, 91, 24, 56, 56, 100]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {18: 1, 62: 1, 48: 1, 91: 1, 24: 1, 56: 2, 100: 1}. Most frequent: 56.\n</reasoning>\nFinal Answer: 56" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Evaluate using order of operations: 35 * 43 + 48 * 33" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 35×43=1505 and 48×33=1584, then add: 3089.\n</reasoning>\nFinal Answer: 3089" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 4/16 + 1/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 4/16 + 1/1. Common denominator = 4. Result = 5/4.\n</reasoning>\nFinal Answer: 5/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 13/18 * 12/15" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (13/18) × (12/15) = (156/270) = 26/45 after simplification.\n</reasoning>\nFinal Answer: 26/45" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 132 ÷ -244" }, { "role": "assistant", "content": "<reasoning>\nDivide 132 by -244. 132 ÷ -244 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 28, 1 and height 2." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (28+1) × 2 = 29.0.\n</reasoning>\nFinal Answer: 29.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 964 km apart. Their speeds are 61 km/h and 110 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 61+110=171 km/h. Time = 964/171 = 5.6374 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 193 and 73." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(193,73) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the median of: [57, 34, 55, 31, 97, 31, 35, 3]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [3, 31, 31, 34, 35, 55, 57, 97]. Middle value(s) → median = 34.5.\n</reasoning>\nFinal Answer: 34.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 15 and height 32." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 15 × 32 = 480.\n</reasoning>\nFinal Answer: 480" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 46 mod -891" }, { "role": "assistant", "content": "<reasoning>\n46 mod -891: 46 = -891 × -1 + -845, so remainder = -845.\n</reasoning>\nFinal Answer: -845" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 3/4 / 14/20" }, { "role": "assistant", "content": "<reasoning>\nDivide: (3/4) ÷ (14/20) = (3/4) × (20/14) = 15/14.\n</reasoning>\nFinal Answer: 15/14" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the median of: [98, 79, 77, 99, 57, 62, 6, 98, 89]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [6, 57, 62, 77, 79, 89, 98, 98, 99]. Middle value(s) → median = 79.\n</reasoning>\nFinal Answer: 79" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Solve for x: 8x + -48 = 176" }, { "role": "assistant", "content": "<reasoning>\nSubtract -48 from both sides: 8x = 224. Divide by 8: x = 28.\n</reasoning>\nFinal Answer: 28" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 31, 31, and 36." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 31 + 31 + 36 = 98.\n</reasoning>\nFinal Answer: 98" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve for x: 19x + -25 = -690" }, { "role": "assistant", "content": "<reasoning>\nSubtract -25 from both sides: 19x = -665. Divide by 19: x = -35.\n</reasoning>\nFinal Answer: -35" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 20/5 / 5/15" }, { "role": "assistant", "content": "<reasoning>\nDivide: (20/5) ÷ (5/15) = (20/5) × (15/5) = 12.\n</reasoning>\nFinal Answer: 12" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Given A = [1, 5, 10, 11, 13, 15, 16] and B = [2, 4, 5, 11, 16], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [1, 2, 4, 10, 13, 15].\n</reasoning>\nFinal Answe...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 12 and width 58." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 12 × 58 = 696.\n</reasoning>\nFinal Answer: 696" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 35 apples and buys 167 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 35 + 167 = 202.\n</reasoning>\nFinal Answer: 202" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -981 + -226" }, { "role": "assistant", "content": "<reasoning>\nAdd -981 and -226: -981 + -226 = -1207.\n</reasoning>\nFinal Answer: -1207" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -200 mod -137" }, { "role": "assistant", "content": "<reasoning>\n-200 mod -137: -200 = -137 × 1 + -63, so remainder = -63.\n</reasoning>\nFinal Answer: -63" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the median of: [19, 16, 4, 89, 19, 80, 91, 63, 58, 78]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [4, 16, 19, 19, 58, 63, 78, 80, 89, 91]. Middle value(s) → median = 60.5.\n</reasoning>\nFinal Answer: 60.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate: -730 ÷ -932" }, { "role": "assistant", "content": "<reasoning>\nDivide -730 by -932. -730 ÷ -932 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 7 and 34." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (7×34)/1 = 238.\n</reasoning>\nFinal Answer: 238" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the area of a triangle with base 71 and height 91." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 71 × 91 = 3230.5.\n</reasoning>\nFinal Answer: 3230.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 15/16 + 10/17" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 15/16 + 10/17. Common denominator = 272. Result = 415/272.\n</reasoning>\nFinal Answer: 415/272" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹33504 at 3% per annum for 5 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 33504 × 3 × 5 / 100 = 5025.6.\n</reasoning>\nFinal Answer: 5025.6" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "A train travels at 136 km/h. How far does it travel in 6 hours and 3 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 6 + 3/60 = 6.0500 hours. Distance = speed × time = 136 × 6.0500 = 822.8 km.\n</reasoning>\nFinal Answer: 822.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mean of: [96, 60, 39, 87, 29, 51, 91, 86, 10, 21]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 570/10 = 57.0.\n</reasoning>\nFinal Answer: 57.0" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 124 and 177." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(124,177) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 8, 35, and 38." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 8 + 35 + 38 = 81.\n</reasoning>\nFinal Answer: 81" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 48, 2 and height 15." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (48+2) × 15 = 375.0.\n</reasoning>\nFinal Answer: 375.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 14x + 33 = 215" }, { "role": "assistant", "content": "<reasoning>\nSubtract 33 from both sides: 14x = 182. Divide by 14: x = 13.\n</reasoning>\nFinal Answer: 13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Decrease 231 by 40%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 40%: 231 × (1 - 40/100) = 231 × 0.6 = 138.6.\n</reasoning>\nFinal Answer: 138.6" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -998 mod 570" }, { "role": "assistant", "content": "<reasoning>\n-998 mod 570: -998 = 570 × -2 + 142, so remainder = 142.\n</reasoning>\nFinal Answer: 142" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 48 + 8 ** 2 - 25" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 8²=64, then 48+64-25=87.\n</reasoning>\nFinal Answer: 87" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "An item costs ₹3014. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3014 × 28/100 = 843.92. Total = 3014 + 843.92 = 3857.92.\n</reasoning>\nFinal Answer: 3857.92" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 43 and 27." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (43×27)/1 = 1161.\n</reasoning>\nFinal Answer: 1161" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Decrease 263 by 70%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 70%: 263 × (1 - 70/100) = 263 × 0.30000000000000004 = 78.9.\n</reasoning>\nFinal Answer: 78.9" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 8:35 and A = 7, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 8/35, so B = A × (35/8) = 7 × 35/8 = 30.625.\n</reasoning>\nFinal Answer: 30.625" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Ravi has 145 apples and buys 156 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 145 + 156 = 301.\n</reasoning>\nFinal Answer: 301" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 14x + -7 = -147" }, { "role": "assistant", "content": "<reasoning>\nSubtract -7 from both sides: 14x = -140. Divide by 14: x = -10.\n</reasoning>\nFinal Answer: -10" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mean of: [64, 92, 39, 59, 36, 16, 22, 51, 10, 20]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 409/10 = 40.9.\n</reasoning>\nFinal Answer: 40.9" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "If the ratio of A to B is 42:22 and A = 32, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 42/22, so B = A × (22/42) = 32 × 22/42 = 16.7619.\n</reasoning>\nFinal Answer: 16.7619" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 135 - -447" }, { "role": "assistant", "content": "<reasoning>\nSubtract -447 from 135: 135 - -447 = 582.\n</reasoning>\nFinal Answer: 582" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 418 - -249" }, { "role": "assistant", "content": "<reasoning>\nSubtract -249 from 418: 418 - -249 = 667.\n</reasoning>\nFinal Answer: 667" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [1, 7, 9, 11, 12, 14, 16] and B = [1, 13, 15, 16], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [1, 16].\n</reasoning>\nFinal Answer: [1, 16]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 187 and 84." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(187,84) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 14 and width 22." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 14 × 22 = 308.\n</reasoning>\nFinal Answer: 308" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mean of: [40, 65, 78, 27, 32, 51, 40, 22, 40]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 395/9 = 43.8889.\n</reasoning>\nFinal Answer: 43.8889" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: 608 ÷ 648" }, { "role": "assistant", "content": "<reasoning>\nDivide 608 by 648. 608 ÷ 648 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 6 * 26 + 35 * 8" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 6×26=156 and 35×8=280, then add: 436.\n</reasoning>\nFinal Answer: 436" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 37:4 and A = 61, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 37/4, so B = A × (4/37) = 61 × 4/37 = 6.5946.\n</reasoning>\nFinal Answer: 6.5946" } ]
medium
[ "ratio", "proportion" ]