messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "An item costs ₹4045. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4045 × 28/100 = 1132.6. Total = 4045 + 1132.6 = 5177.6.\n</reasoning>\nFinal Answer: 5177.6" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹9552 at 11% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 9552 × 11 × 1 / 100 = 1050.72.\n</reasoning>\nFinal Answer: 1050.72" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 84 and 157." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(84,157) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 78 and width 73." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(78+73) = 2×151 = 302.\n</reasoning>\nFinal Answer: 302" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve: 3x² + (27)x + (-30) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 27² - 4×3×-30 = 1089. √discriminant = 33. x = (-(27) ± 33) / (2×3). Solutions: x = 1 or x = -10.\n</reasoning>\nFinal Answer: x = 1 or x = -10"...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "A train travels at 159 km/h. How far does it travel in 5 hours and 55 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 5 + 55/60 = 5.9167 hours. Distance = speed × time = 159 × 5.9167 = 940.75 km.\n</reasoning>\nFinal Answer: 940.75" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 8x + 12 = 76" }, { "role": "assistant", "content": "<reasoning>\nSubtract 12 from both sides: 8x = 64. Divide by 8: x = 8.\n</reasoning>\nFinal Answer: 8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "471 is what percentage of 980?" }, { "role": "assistant", "content": "<reasoning>\n(471/980) × 100 = 48.0612%.\n</reasoning>\nFinal Answer: 48.0612%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Simplify: 3/7 - 13/9" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 3/7 - 13/9. LCD = 63. Result = -64/63.\n</reasoning>\nFinal Answer: -64/63" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 902 × -768" }, { "role": "assistant", "content": "<reasoning>\nMultiply 902 by -768: 902 × -768 = -692736.\n</reasoning>\nFinal Answer: -692736" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -618 + -504" }, { "role": "assistant", "content": "<reasoning>\nAdd -618 and -504: -618 + -504 = -1122.\n</reasoning>\nFinal Answer: -1122" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 27x + -5 = -167" }, { "role": "assistant", "content": "<reasoning>\nSubtract -5 from both sides: 27x = -162. Divide by 27: x = -6.\n</reasoning>\nFinal Answer: -6" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 157 - 130" }, { "role": "assistant", "content": "<reasoning>\nSubtract 130 from 157: 157 - 130 = 27.\n</reasoning>\nFinal Answer: 27" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 31:37 and A = 36, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 31/37, so B = A × (37/31) = 36 × 37/31 = 42.9677.\n</reasoning>\nFinal Answer: 42.9677" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the mode of: [33, 22, 19, 17, 97, 84]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {33: 1, 22: 1, 19: 1, 17: 1, 97: 1, 84: 1}. Most frequent: [33, 22, 19, 17, 97, 84].\n</reasoning>\nFinal Answer: [33, 22, 19, 17, 97, 84]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "An item costs ₹1956. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1956 × 28/100 = 547.68. Total = 1956 + 547.68 = 2503.68.\n</reasoning>\nFinal Answer: 2503.68" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 770 mod -47" }, { "role": "assistant", "content": "<reasoning>\n770 mod -47: 770 = -47 × -17 + -29, so remainder = -29.\n</reasoning>\nFinal Answer: -29" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -90 ÷ 246" }, { "role": "assistant", "content": "<reasoning>\nDivide -90 by 246. -90 ÷ 246 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -81 ÷ -629" }, { "role": "assistant", "content": "<reasoning>\nDivide -81 by -629. -81 ÷ -629 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 573 - 385" }, { "role": "assistant", "content": "<reasoning>\nSubtract 385 from 573: 573 - 385 = 188.\n</reasoning>\nFinal Answer: 188" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 24x + 2 = 1130" }, { "role": "assistant", "content": "<reasoning>\nSubtract 2 from both sides: 24x = 1128. Divide by 24: x = 47.\n</reasoning>\nFinal Answer: 47" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -938 × -105" }, { "role": "assistant", "content": "<reasoning>\nMultiply -938 by -105: -938 × -105 = 98490.\n</reasoning>\nFinal Answer: 98490" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 59 and height 59." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 59 × 59 = 3481.\n</reasoning>\nFinal Answer: 3481" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Given A = [3, 5, 11, 16, 17, 19] and B = [2, 3, 11], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [5, 16, 17, 19].\n</reasoning>\nFinal Answer: [5, 16, 17, 19]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Increase 252 by 75%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 75%: 252 × (1 + 75/100) = 252 × 1.75 = 441.0.\n</reasoning>\nFinal Answer: 441.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 18/18 - 20/14" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 18/18 - 20/14. LCD = 7. Result = -3/7.\n</reasoning>\nFinal Answer: -3/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 15:49 and A = 67, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 15/49, so B = A × (49/15) = 67 × 49/15 = 218.8667.\n</reasoning>\nFinal Answer: 218.8667" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 987 km apart. Their speeds are 70 km/h and 85 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 70+85=155 km/h. Time = 987/155 = 6.3677 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹42080 at 3% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 42080 × 3 × 1 / 100 = 1262.4.\n</reasoning>\nFinal Answer: 1262.4" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 29x + -29 = -957" }, { "role": "assistant", "content": "<reasoning>\nSubtract -29 from both sides: 29x = -928. Divide by 29: x = -32.\n</reasoning>\nFinal Answer: -32" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 817 mod -72" }, { "role": "assistant", "content": "<reasoning>\n817 mod -72: 817 = -72 × -12 + -47, so remainder = -47.\n</reasoning>\nFinal Answer: -47" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 8/2 - 14/8" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 8/2 - 14/8. LCD = 4. Result = 9/4.\n</reasoning>\nFinal Answer: 9/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve: 2x² + (0)x + (-8) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 0² - 4×2×-8 = 64. √discriminant = 8. x = (-(0) ± 8) / (2×2). Solutions: x = 2 or x = -2.\n</reasoning>\nFinal Answer: x = 2 or x = -2" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Calculate: -228 - 527" }, { "role": "assistant", "content": "<reasoning>\nSubtract 527 from -228: -228 - 527 = -755.\n</reasoning>\nFinal Answer: -755" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 17/7 * 15/8" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (17/7) × (15/8) = (255/56) = 255/56 after simplification.\n</reasoning>\nFinal Answer: 255/56" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 10 * 44 + 9 * 48" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 10×44=440 and 9×48=432, then add: 872.\n</reasoning>\nFinal Answer: 872" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mean of: [13, 20, 64, 72, 59, 42, 95, 79, 84]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 528/9 = 58.6667.\n</reasoning>\nFinal Answer: 58.6667" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "A train travels at 146 km/h. How far does it travel in 10 hours and 35 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 10 + 35/60 = 10.5833 hours. Distance = speed × time = 146 × 10.5833 = 1545.1667 km.\n</reasoning>\nFinal Answer: 1545.1667" }...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "10 workers can complete a job in 25 days. How many days will 20 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 10 × 25 = 250 worker-days. New time = 250 / 20 = 12.5 days.\n</reasoning>\nFinal Answer: 12.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 28 + 35 * 21 - 47" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 35×21=735, then 28+735-47=716.\n</reasoning>\nFinal Answer: 716" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 89 and 15." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(89,15) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 22, 34 and height 48." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (22+34) × 48 = 1344.0.\n</reasoning>\nFinal Answer: 1344.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "What is 60% of 539?" }, { "role": "assistant", "content": "<reasoning>\n60% of 539 = (60/100) × 539 = 323.4.\n</reasoning>\nFinal Answer: 323.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "850 is what percentage of 903?" }, { "role": "assistant", "content": "<reasoning>\n(850/903) × 100 = 94.1307%.\n</reasoning>\nFinal Answer: 94.1307%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 40 and common difference 2, find the 22th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 40 + (22-1)×2 = 40 + 42 = 82.\n</reasoning>\nFinal Answer: 82" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 175 + 198" }, { "role": "assistant", "content": "<reasoning>\nAdd 175 and 198: 175 + 198 = 373.\n</reasoning>\nFinal Answer: 373" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 45% of 707?" }, { "role": "assistant", "content": "<reasoning>\n45% of 707 = (45/100) × 707 = 318.15.\n</reasoning>\nFinal Answer: 318.15" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 20x + -5 = 955" }, { "role": "assistant", "content": "<reasoning>\nSubtract -5 from both sides: 20x = 960. Divide by 20: x = 48.\n</reasoning>\nFinal Answer: 48" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -122 + -921" }, { "role": "assistant", "content": "<reasoning>\nAdd -122 and -921: -122 + -921 = -1043.\n</reasoning>\nFinal Answer: -1043" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹5171 at 13% per annum for 5 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 5171 × 13 × 5 / 100 = 3361.15.\n</reasoning>\nFinal Answer: 3361.15" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 6x + -12 = -186" }, { "role": "assistant", "content": "<reasoning>\nSubtract -12 from both sides: 6x = -174. Divide by 6: x = -29.\n</reasoning>\nFinal Answer: -29" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "275 is what percentage of 314?" }, { "role": "assistant", "content": "<reasoning>\n(275/314) × 100 = 87.5796%.\n</reasoning>\nFinal Answer: 87.5796%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Calculate: -456 + 562" }, { "role": "assistant", "content": "<reasoning>\nAdd -456 and 562: -456 + 562 = 106.\n</reasoning>\nFinal Answer: 106" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 19x + -47 = 732" }, { "role": "assistant", "content": "<reasoning>\nSubtract -47 from both sides: 19x = 779. Divide by 19: x = 41.\n</reasoning>\nFinal Answer: 41" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 12x + -23 = -479" }, { "role": "assistant", "content": "<reasoning>\nSubtract -23 from both sides: 12x = -456. Divide by 12: x = -38.\n</reasoning>\nFinal Answer: -38" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 26, 47 and height 37." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (26+47) × 37 = 1350.5.\n</reasoning>\nFinal Answer: 1350.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 31, 5 and height 32." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (31+5) × 32 = 576.0.\n</reasoning>\nFinal Answer: 576.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 31, 16 and height 42." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (31+16) × 42 = 987.0.\n</reasoning>\nFinal Answer: 987.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 854 - -40" }, { "role": "assistant", "content": "<reasoning>\nSubtract -40 from 854: 854 - -40 = 894.\n</reasoning>\nFinal Answer: 894" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 2 and 39." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (2×39)/1 = 78.\n</reasoning>\nFinal Answer: 78" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Evaluate using order of operations: 10 + 23 * 40 - 14" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 23×40=920, then 10+920-14=916.\n</reasoning>\nFinal Answer: 916" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 844 ÷ 955" }, { "role": "assistant", "content": "<reasoning>\nDivide 844 by 955. 844 ÷ 955 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 80% of 210?" }, { "role": "assistant", "content": "<reasoning>\n80% of 210 = (80/100) × 210 = 168.0.\n</reasoning>\nFinal Answer: 168.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [2, 11, 72, 71, 76, 29, 24]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {2: 1, 11: 1, 72: 1, 71: 1, 76: 1, 29: 1, 24: 1}. Most frequent: [2, 11, 72, 71, 76, 29, 24].\n</reasoning>\nFinal Answer: [2, 11, 72, 71, 76, 29, 24...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the range of: [60, 56, 18, 30, 17, 27, 83, 2, 32]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 83 - 2 = 81.\n</reasoning>\nFinal Answer: 81" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Calculate: -929 + -963" }, { "role": "assistant", "content": "<reasoning>\nAdd -929 and -963: -929 + -963 = -1892.\n</reasoning>\nFinal Answer: -1892" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 43 and height 36." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 43 × 36 = 774.0.\n</reasoning>\nFinal Answer: 774.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹19967 at 3% per annum for 5 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 19967 × 3 × 5 / 100 = 2995.05.\n</reasoning>\nFinal Answer: 2995.05" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 495 - 228" }, { "role": "assistant", "content": "<reasoning>\nSubtract 228 from 495: 495 - 228 = 267.\n</reasoning>\nFinal Answer: 267" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 412 + 91" }, { "role": "assistant", "content": "<reasoning>\nAdd 412 and 91: 412 + 91 = 503.\n</reasoning>\nFinal Answer: 503" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 9/17 * 12/6" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (9/17) × (12/6) = (108/102) = 18/17 after simplification.\n</reasoning>\nFinal Answer: 18/17" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 18/11 * 7/6" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (18/11) × (7/6) = (126/66) = 21/11 after simplification.\n</reasoning>\nFinal Answer: 21/11" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 41:15 and A = 88, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 41/15, so B = A × (15/41) = 88 × 15/41 = 32.1951.\n</reasoning>\nFinal Answer: 32.1951" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Given A = [1, 2, 6, 7, 10] and B = [7, 8, 11, 13, 14, 19], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 2, 6, 7, 8, 10, 11, 13, 14, 19].\n</reasoning>\nFinal Answer: [1, 2, 6, 7, 8, 10, ...
medium
[ "set_theory" ]
[ { "role": "user", "content": "A train travels at 69 km/h. How far does it travel in 10 hours and 30 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 10 + 30/60 = 10.5000 hours. Distance = speed × time = 69 × 10.5000 = 724.5 km.\n</reasoning>\nFinal Answer: 724.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 19/5 * 2/5" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (19/5) × (2/5) = (38/25) = 38/25 after simplification.\n</reasoning>\nFinal Answer: 38/25" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "7 workers can complete a job in 29 days. How many days will 17 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 7 × 29 = 203 worker-days. New time = 203 / 17 = 11.9412 days.\n</reasoning>\nFinal Answer: 11.9412" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the range of: [86, 59, 2, 80, 9, 70, 37, 75]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 86 - 2 = 84.\n</reasoning>\nFinal Answer: 84" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the mode of: [18, 90, 5, 32, 46, 73, 6]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {18: 1, 90: 1, 5: 1, 32: 1, 46: 1, 73: 1, 6: 1}. Most frequent: [18, 90, 5, 32, 46, 73, 6].\n</reasoning>\nFinal Answer: [18, 90, 5, 32, 46, 73, 6]" ...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "An item costs ₹3111. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3111 × 5/100 = 155.55. Total = 3111 + 155.55 = 3266.55.\n</reasoning>\nFinal Answer: 3266.55" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mode of: [78, 6, 100, 48, 83, 19, 36, 29, 83, 27]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {78: 1, 6: 1, 100: 1, 48: 1, 83: 2, 19: 1, 36: 1, 29: 1, 27: 1}. Most frequent: 83.\n</reasoning>\nFinal Answer: 83" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "If the ratio of A to B is 41:8 and A = 62, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 41/8, so B = A × (8/41) = 62 × 8/41 = 12.0976.\n</reasoning>\nFinal Answer: 12.0976" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -442 ÷ -687" }, { "role": "assistant", "content": "<reasoning>\nDivide -442 by -687. -442 ÷ -687 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 24x + 10 = -134" }, { "role": "assistant", "content": "<reasoning>\nSubtract 10 from both sides: 24x = -144. Divide by 24: x = -6.\n</reasoning>\nFinal Answer: -6" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 241 - 747" }, { "role": "assistant", "content": "<reasoning>\nSubtract 747 from 241: 241 - 747 = -506.\n</reasoning>\nFinal Answer: -506" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve: 5x² + (-5)x + (-60) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -5² - 4×5×-60 = 1225. √discriminant = 35. x = (-(-5) ± 35) / (2×5). Solutions: x = 4 or x = -3.\n</reasoning>\nFinal Answer: x = 4 or x = -3" ...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 40 + 48 ** 2 - 9" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 48²=2304, then 40+2304-9=2335.\n</reasoning>\nFinal Answer: 2335" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 246 km apart. Their speeds are 75 km/h and 120 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 75+120=195 km/h. Time = 246/195 = 1.2615 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 12 + 10 ** 2 - 7" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 10²=100, then 12+100-7=105.\n</reasoning>\nFinal Answer: 105" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Given A = [8, 11, 15] and B = [2, 4, 8, 13], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [2, 4, 11, 13, 15].\n</reasoning>\nFinal Answer: [2, 4, 11, 13, 15]"...
medium
[ "set_theory" ]
[ { "role": "user", "content": "If the ratio of A to B is 46:43 and A = 70, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 46/43, so B = A × (43/46) = 70 × 43/46 = 65.4348.\n</reasoning>\nFinal Answer: 65.4348" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 31:14 and A = 72, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 31/14, so B = A × (14/31) = 72 × 14/31 = 32.5161.\n</reasoning>\nFinal Answer: 32.5161" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "What is 7% of 557?" }, { "role": "assistant", "content": "<reasoning>\n7% of 557 = (7/100) × 557 = 38.99.\n</reasoning>\nFinal Answer: 38.99" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -458 + 121" }, { "role": "assistant", "content": "<reasoning>\nAdd -458 and 121: -458 + 121 = -337.\n</reasoning>\nFinal Answer: -337" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 28x + 16 = -348" }, { "role": "assistant", "content": "<reasoning>\nSubtract 16 from both sides: 28x = -364. Divide by 28: x = -13.\n</reasoning>\nFinal Answer: -13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 24 + 3 * 3 - 26" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 3×3=9, then 24+9-26=7.\n</reasoning>\nFinal Answer: 7" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: 12 + 3 * 6 - 45" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 3×6=18, then 12+18-45=-15.\n</reasoning>\nFinal Answer: -15" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mean of: [21, 36, 61, 80, 45, 28, 53, 40, 79]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 443/9 = 49.2222.\n</reasoning>\nFinal Answer: 49.2222" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "17 is what percentage of 80?" }, { "role": "assistant", "content": "<reasoning>\n(17/80) × 100 = 21.25%.\n</reasoning>\nFinal Answer: 21.25%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "A train travels at 158 km/h. How far does it travel in 4 hours and 11 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 4 + 11/60 = 4.1833 hours. Distance = speed × time = 158 × 4.1833 = 660.9667 km.\n</reasoning>\nFinal Answer: 660.9667" } ]
medium
[ "word_problem", "applied_math" ]