messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "In an arithmetic progression with first term 6 and common difference 12, find the 32th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 6 + (32-1)×12 = 6 + 372 = 378.\n</reasoning>\nFinal Answer: 378" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 132 mod 561" }, { "role": "assistant", "content": "<reasoning>\n132 mod 561: 132 = 561 × 0 + 132, so remainder = 132.\n</reasoning>\nFinal Answer: 132" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve: 2x² + (10)x + (12) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 10² - 4×2×12 = 4. √discriminant = 2. x = (-(10) ± 2) / (2×2). Solutions: x = -2 or x = -3.\n</reasoning>\nFinal Answer: x = -2 or x = -3" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "A train travels at 182 km/h. How far does it travel in 10 hours and 46 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 10 + 46/60 = 10.7667 hours. Distance = speed × time = 182 × 10.7667 = 1959.5333 km.\n</reasoning>\nFinal Answer: 1959.5333" }...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 488 × 303" }, { "role": "assistant", "content": "<reasoning>\nMultiply 488 by 303: 488 × 303 = 147864.\n</reasoning>\nFinal Answer: 147864" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 13 and 44." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (13×44)/1 = 572.\n</reasoning>\nFinal Answer: 572" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Simplify: 12/10 / 8/9" }, { "role": "assistant", "content": "<reasoning>\nDivide: (12/10) ÷ (8/9) = (12/10) × (9/8) = 27/20.\n</reasoning>\nFinal Answer: 27/20" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -164 ÷ 654" }, { "role": "assistant", "content": "<reasoning>\nDivide -164 by 654. -164 ÷ 654 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 25 + 6 ** 2 - 10" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 6²=36, then 25+36-10=51.\n</reasoning>\nFinal Answer: 51" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 18x + 38 = 290" }, { "role": "assistant", "content": "<reasoning>\nSubtract 38 from both sides: 18x = 252. Divide by 18: x = 14.\n</reasoning>\nFinal Answer: 14" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Increase 902 by 60%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 60%: 902 × (1 + 60/100) = 902 × 1.6 = 1443.2.\n</reasoning>\nFinal Answer: 1443.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 31, 36 and height 50." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (31+36) × 50 = 1675.0.\n</reasoning>\nFinal Answer: 1675.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 10x + -21 = 409" }, { "role": "assistant", "content": "<reasoning>\nSubtract -21 from both sides: 10x = 430. Divide by 10: x = 43.\n</reasoning>\nFinal Answer: 43" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (30 + 37) * (4 - 6)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (30+37)=67, (4-6)=-2, then 67×-2=-134.\n</reasoning>\nFinal Answer: -134" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 416 + -206" }, { "role": "assistant", "content": "<reasoning>\nAdd 416 and -206: 416 + -206 = 210.\n</reasoning>\nFinal Answer: 210" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 304 km apart. Their speeds are 67 km/h and 95 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 67+95=162 km/h. Time = 304/162 = 1.8765 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -360 ÷ -173" }, { "role": "assistant", "content": "<reasoning>\nDivide -360 by -173. -360 ÷ -173 = 2 (integer division).\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 46:46 and A = 45, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 46/46, so B = A × (46/46) = 45 × 46/46 = 45.0.\n</reasoning>\nFinal Answer: 45.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 922 - -167" }, { "role": "assistant", "content": "<reasoning>\nSubtract -167 from 922: 922 - -167 = 1089.\n</reasoning>\nFinal Answer: 1089" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 30 * 15 + 10 * 22" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 30×15=450 and 10×22=220, then add: 670.\n</reasoning>\nFinal Answer: 670" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 469 - -287" }, { "role": "assistant", "content": "<reasoning>\nSubtract -287 from 469: 469 - -287 = 756.\n</reasoning>\nFinal Answer: 756" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 372 km apart. Their speeds are 71 km/h and 72 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 71+72=143 km/h. Time = 372/143 = 2.6014 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [2, 6, 7, 10, 11, 13, 16, 18] and B = [2, 3, 11, 12, 14, 15, 18], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [2, 11, 18].\n</reasoning>\nFinal Answer: [2, 11, 18]" }...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 4 × -547" }, { "role": "assistant", "content": "<reasoning>\nMultiply 4 by -547: 4 × -547 = -2188.\n</reasoning>\nFinal Answer: -2188" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 91 and 115." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(91,115) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Given A = [6, 9, 15, 18] and B = [1, 7, 10, 11, 12, 13, 14, 15], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [6, 9, 18].\n</reasoning>\nFinal Answer: [6, 9, 18]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 3/3 - 20/1" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 3/3 - 20/1. LCD = 1. Result = -19.\n</reasoning>\nFinal Answer: -19" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 31 and width 2." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 31 × 2 = 62.\n</reasoning>\nFinal Answer: 62" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 1 + 46 ** 2 - 3" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 46²=2116, then 1+2116-3=2114.\n</reasoning>\nFinal Answer: 2114" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -68 + -345" }, { "role": "assistant", "content": "<reasoning>\nAdd -68 and -345: -68 + -345 = -413.\n</reasoning>\nFinal Answer: -413" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 7/20 / 11/19" }, { "role": "assistant", "content": "<reasoning>\nDivide: (7/20) ÷ (11/19) = (7/20) × (19/11) = 133/220.\n</reasoning>\nFinal Answer: 133/220" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 4/17 / 17/15" }, { "role": "assistant", "content": "<reasoning>\nDivide: (4/17) ÷ (17/15) = (4/17) × (15/17) = 60/289.\n</reasoning>\nFinal Answer: 60/289" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (31 + 22) * (50 - 48)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (31+22)=53, (50-48)=2, then 53×2=106.\n</reasoning>\nFinal Answer: 106" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 15/1 * 15/11" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (15/1) × (15/11) = (225/11) = 225/11 after simplification.\n</reasoning>\nFinal Answer: 225/11" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [52, 22, 18, 7, 14, 45, 74, 43, 92]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 367/9 = 40.7778.\n</reasoning>\nFinal Answer: 40.7778" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -610 + -718" }, { "role": "assistant", "content": "<reasoning>\nAdd -610 and -718: -610 + -718 = -1328.\n</reasoning>\nFinal Answer: -1328" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 28x + -24 = 536" }, { "role": "assistant", "content": "<reasoning>\nSubtract -24 from both sides: 28x = 560. Divide by 28: x = 20.\n</reasoning>\nFinal Answer: 20" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Increase 37 by 50%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 50%: 37 × (1 + 50/100) = 37 × 1.5 = 55.5.\n</reasoning>\nFinal Answer: 55.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 46:42 and A = 21, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 46/42, so B = A × (42/46) = 21 × 42/46 = 19.1739.\n</reasoning>\nFinal Answer: 19.1739" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a triangle with base 14 and height 83." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 14 × 83 = 581.0.\n</reasoning>\nFinal Answer: 581.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a triangle with base 33 and height 65." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 33 × 65 = 1072.5.\n</reasoning>\nFinal Answer: 1072.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "A train travels at 162 km/h. How far does it travel in 9 hours and 34 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 9 + 34/60 = 9.5667 hours. Distance = speed × time = 162 × 9.5667 = 1549.8 km.\n</reasoning>\nFinal Answer: 1549.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 63 and width 30." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 63 × 30 = 1890.\n</reasoning>\nFinal Answer: 1890" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "A train travels at 168 km/h. How far does it travel in 12 hours and 39 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 12 + 39/60 = 12.6500 hours. Distance = speed × time = 168 × 12.6500 = 2125.2 km.\n</reasoning>\nFinal Answer: 2125.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 628 ÷ 586" }, { "role": "assistant", "content": "<reasoning>\nDivide 628 by 586. 628 ÷ 586 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "309 is what percentage of 768?" }, { "role": "assistant", "content": "<reasoning>\n(309/768) × 100 = 40.2344%.\n</reasoning>\nFinal Answer: 40.2344%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Simplify: 12/6 + 15/16" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 12/6 + 15/16. Common denominator = 16. Result = 47/16.\n</reasoning>\nFinal Answer: 47/16" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (5 + 20) * (14 - 30)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (5+20)=25, (14-30)=-16, then 25×-16=-400.\n</reasoning>\nFinal Answer: -400" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 110 ÷ 230" }, { "role": "assistant", "content": "<reasoning>\nDivide 110 by 230. 110 ÷ 230 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 13x + -45 = -58" }, { "role": "assistant", "content": "<reasoning>\nSubtract -45 from both sides: 13x = -13. Divide by 13: x = -1.\n</reasoning>\nFinal Answer: -1" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 61 ÷ -561" }, { "role": "assistant", "content": "<reasoning>\nDivide 61 by -561. 61 ÷ -561 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve: 4x² + (4)x + (-80) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 4² - 4×4×-80 = 1296. √discriminant = 36. x = (-(4) ± 36) / (2×4). Solutions: x = -5 or x = 4.\n</reasoning>\nFinal Answer: x = -5 or x = 4" } ...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Calculate: -617 - 170" }, { "role": "assistant", "content": "<reasoning>\nSubtract 170 from -617: -617 - 170 = -787.\n</reasoning>\nFinal Answer: -787" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Ravi has 111 apples and buys 199 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 111 + 199 = 310.\n</reasoning>\nFinal Answer: 310" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 94 mod -358" }, { "role": "assistant", "content": "<reasoning>\n94 mod -358: 94 = -358 × -1 + -264, so remainder = -264.\n</reasoning>\nFinal Answer: -264" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 97 and width 98." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 97 × 98 = 9506.\n</reasoning>\nFinal Answer: 9506" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 27 * 29 + 9 * 44" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 27×29=783 and 9×44=396, then add: 1179.\n</reasoning>\nFinal Answer: 1179" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 11/2 / 5/4" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/2) ÷ (5/4) = (11/2) × (4/5) = 22/5.\n</reasoning>\nFinal Answer: 22/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 31:41 and A = 19, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 31/41, so B = A × (41/31) = 19 × 41/31 = 25.129.\n</reasoning>\nFinal Answer: 25.129" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 18x + 24 = 186" }, { "role": "assistant", "content": "<reasoning>\nSubtract 24 from both sides: 18x = 162. Divide by 18: x = 9.\n</reasoning>\nFinal Answer: 9" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 60 and width 45." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(60+45) = 2×105 = 210.\n</reasoning>\nFinal Answer: 210" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Calculate: -179 ÷ 314" }, { "role": "assistant", "content": "<reasoning>\nDivide -179 by 314. -179 ÷ 314 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (46 + 27) * (3 - 32)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (46+27)=73, (3-32)=-29, then 73×-29=-2117.\n</reasoning>\nFinal Answer: -2117" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 15/7 + 12/17" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 15/7 + 12/17. Common denominator = 119. Result = 339/119.\n</reasoning>\nFinal Answer: 339/119" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve: 1x² + (16)x + (64) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 16² - 4×1×64 = 0. √discriminant = 0. x = (-(16) ± 0) / (2×1). Solutions: x = -8 (double root).\n</reasoning>\nFinal Answer: x = -8 (double root)...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Simplify: 4/2 - 10/1" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 4/2 - 10/1. LCD = 1. Result = -8.\n</reasoning>\nFinal Answer: -8" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -279 - 551" }, { "role": "assistant", "content": "<reasoning>\nSubtract 551 from -279: -279 - 551 = -830.\n</reasoning>\nFinal Answer: -830" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [24, 75, 98, 56, 20, 75, 27, 23]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {24: 1, 75: 2, 98: 1, 56: 1, 20: 1, 27: 1, 23: 1}. Most frequent: 75.\n</reasoning>\nFinal Answer: 75" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Simplify: 6/7 + 16/2" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 6/7 + 16/2. Common denominator = 7. Result = 62/7.\n</reasoning>\nFinal Answer: 62/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 30 + 25 ** 2 - 12" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 25²=625, then 30+625-12=643.\n</reasoning>\nFinal Answer: 643" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mean of: [24, 22, 86, 37, 58, 32, 18, 86, 68, 98]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 529/10 = 52.9.\n</reasoning>\nFinal Answer: 52.9" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "What is 15% of 388?" }, { "role": "assistant", "content": "<reasoning>\n15% of 388 = (15/100) × 388 = 58.2.\n</reasoning>\nFinal Answer: 58.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [79, 68, 62, 73, 38, 36, 3]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {79: 1, 68: 1, 62: 1, 73: 1, 38: 1, 36: 1, 3: 1}. Most frequent: [79, 68, 62, 73, 38, 36, 3].\n</reasoning>\nFinal Answer: [79, 68, 62, 73, 38, 36, 3...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: 875 ÷ 500" }, { "role": "assistant", "content": "<reasoning>\nDivide 875 by 500. 875 ÷ 500 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve: 1x² + (-1)x + (0) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -1² - 4×1×0 = 1. √discriminant = 1. x = (-(-1) ± 1) / (2×1). Solutions: x = 0 or x = 1.\n</reasoning>\nFinal Answer: x = 0 or x = 1" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Calculate: -908 + 668" }, { "role": "assistant", "content": "<reasoning>\nAdd -908 and 668: -908 + 668 = -240.\n</reasoning>\nFinal Answer: -240" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 8x + 31 = 199" }, { "role": "assistant", "content": "<reasoning>\nSubtract 31 from both sides: 8x = 168. Divide by 8: x = 21.\n</reasoning>\nFinal Answer: 21" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mode of: [1, 77, 83, 1, 68, 69, 61, 83]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {1: 2, 77: 1, 83: 2, 68: 1, 69: 1, 61: 1}. Most frequent: [1, 83].\n</reasoning>\nFinal Answer: [1, 83]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "A train travels at 107 km/h. How far does it travel in 11 hours and 34 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 11 + 34/60 = 11.5667 hours. Distance = speed × time = 107 × 11.5667 = 1237.6333 km.\n</reasoning>\nFinal Answer: 1237.6333" }...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 16x + -9 = 359" }, { "role": "assistant", "content": "<reasoning>\nSubtract -9 from both sides: 16x = 368. Divide by 16: x = 23.\n</reasoning>\nFinal Answer: 23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "74 is what percentage of 182?" }, { "role": "assistant", "content": "<reasoning>\n(74/182) × 100 = 40.6593%.\n</reasoning>\nFinal Answer: 40.6593%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Given A = [8, 9, 14] and B = [4, 12, 18], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [4, 8, 9, 12, 14, 18].\n</reasoning>\nFinal Answer: [4, 8, 9, 12, 14, 1...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 43, 31 and height 23." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (43+31) × 23 = 851.0.\n</reasoning>\nFinal Answer: 851.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 616 × -765" }, { "role": "assistant", "content": "<reasoning>\nMultiply 616 by -765: 616 × -765 = -471240.\n</reasoning>\nFinal Answer: -471240" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -459 + -485" }, { "role": "assistant", "content": "<reasoning>\nAdd -459 and -485: -459 + -485 = -944.\n</reasoning>\nFinal Answer: -944" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 47:4 and A = 24, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 47/4, so B = A × (4/47) = 24 × 4/47 = 2.0426.\n</reasoning>\nFinal Answer: 2.0426" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "10 workers can complete a job in 12 days. How many days will 12 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 10 × 12 = 120 worker-days. New time = 120 / 12 = 10.0 days.\n</reasoning>\nFinal Answer: 10.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 74 and height 83." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 74 × 83 = 6142.\n</reasoning>\nFinal Answer: 6142" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 29x + -50 = 1110" }, { "role": "assistant", "content": "<reasoning>\nSubtract -50 from both sides: 29x = 1160. Divide by 29: x = 40.\n</reasoning>\nFinal Answer: 40" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -322 + -429" }, { "role": "assistant", "content": "<reasoning>\nAdd -322 and -429: -322 + -429 = -751.\n</reasoning>\nFinal Answer: -751" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -468 ÷ -527" }, { "role": "assistant", "content": "<reasoning>\nDivide -468 by -527. -468 ÷ -527 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹13476 at 2% per annum for 6 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 13476 × 2 × 6 / 100 = 1617.12.\n</reasoning>\nFinal Answer: 1617.12" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 19/2 * 11/15" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (19/2) × (11/15) = (209/30) = 209/30 after simplification.\n</reasoning>\nFinal Answer: 209/30" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 11/20 / 8/5" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/20) ÷ (8/5) = (11/20) × (5/8) = 11/32.\n</reasoning>\nFinal Answer: 11/32" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (25 + 26) * (24 - 46)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (25+26)=51, (24-46)=-22, then 51×-22=-1122.\n</reasoning>\nFinal Answer: -1122" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 3/14 - 17/1" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 3/14 - 17/1. LCD = 14. Result = -235/14.\n</reasoning>\nFinal Answer: -235/14" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹364. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 364 × 28/100 = 101.92. Total = 364 + 101.92 = 465.92.\n</reasoning>\nFinal Answer: 465.92" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "A train travels at 99 km/h. How far does it travel in 7 hours and 5 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 7 + 5/60 = 7.0833 hours. Distance = speed × time = 99 × 7.0833 = 701.25 km.\n</reasoning>\nFinal Answer: 701.25" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the prime factorization of 456." }, { "role": "assistant", "content": "<reasoning>\nDivide 456 by smallest primes repeatedly: 456 = 2 × 2 × 2 × 3 × 19.\n</reasoning>\nFinal Answer: 2 × 2 × 2 × 3 × 19" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 42 and common difference 18, find the 18th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 42 + (18-1)×18 = 42 + 306 = 348.\n</reasoning>\nFinal Answer: 348" } ]
medium
[ "sequences", "arithmetic_progression" ]