messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "An item costs ₹2653. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 2653 × 12/100 = 318.36. Total = 2653 + 318.36 = 2971.36.\n</reasoning>\nFinal Answer: 2971.36" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 67 and height 98." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 67 × 98 = 6566.\n</reasoning>\nFinal Answer: 6566" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve: 4x² + (16)x + (-128) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 16² - 4×4×-128 = 2304. √discriminant = 48. x = (-(16) ± 48) / (2×4). Solutions: x = 4 or x = -8.\n</reasoning>\nFinal Answer: x = 4 or x = -8"...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Find the prime factorization of 18." }, { "role": "assistant", "content": "<reasoning>\nDivide 18 by smallest primes repeatedly: 18 = 2 × 3 × 3.\n</reasoning>\nFinal Answer: 2 × 3 × 3" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "5 workers can complete a job in 8 days. How many days will 2 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 5 × 8 = 40 worker-days. New time = 40 / 2 = 20.0 days.\n</reasoning>\nFinal Answer: 20.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 14:44 and A = 43, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 14/44, so B = A × (44/14) = 43 × 44/14 = 135.1429.\n</reasoning>\nFinal Answer: 135.1429" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 301 ÷ 671" }, { "role": "assistant", "content": "<reasoning>\nDivide 301 by 671. 301 ÷ 671 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 30% of 615?" }, { "role": "assistant", "content": "<reasoning>\n30% of 615 = (30/100) × 615 = 184.5.\n</reasoning>\nFinal Answer: 184.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 503 × 363" }, { "role": "assistant", "content": "<reasoning>\nMultiply 503 by 363: 503 × 363 = 182589.\n</reasoning>\nFinal Answer: 182589" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -680 mod 524" }, { "role": "assistant", "content": "<reasoning>\n-680 mod 524: -680 = 524 × -2 + 368, so remainder = 368.\n</reasoning>\nFinal Answer: 368" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -732 ÷ 745" }, { "role": "assistant", "content": "<reasoning>\nDivide -732 by 745. -732 ÷ 745 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 60% of 199?" }, { "role": "assistant", "content": "<reasoning>\n60% of 199 = (60/100) × 199 = 119.4.\n</reasoning>\nFinal Answer: 119.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 5x + 30 = 115" }, { "role": "assistant", "content": "<reasoning>\nSubtract 30 from both sides: 5x = 85. Divide by 5: x = 17.\n</reasoning>\nFinal Answer: 17" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the median of: [11, 83, 20, 16, 8, 1, 55, 55]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [1, 8, 11, 16, 20, 55, 55, 83]. Middle value(s) → median = 18.0.\n</reasoning>\nFinal Answer: 18.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate: 670 + -900" }, { "role": "assistant", "content": "<reasoning>\nAdd 670 and -900: 670 + -900 = -230.\n</reasoning>\nFinal Answer: -230" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "A train travels at 115 km/h. How far does it travel in 5 hours and 51 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 5 + 51/60 = 5.8500 hours. Distance = speed × time = 115 × 5.8500 = 672.75 km.\n</reasoning>\nFinal Answer: 672.75" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 362 × 338" }, { "role": "assistant", "content": "<reasoning>\nMultiply 362 by 338: 362 × 338 = 122356.\n</reasoning>\nFinal Answer: 122356" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 12/4 + 16/16" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 12/4 + 16/16. Common denominator = 1. Result = 4.\n</reasoning>\nFinal Answer: 4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 1:1 and A = 85, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 1/1, so B = A × (1/1) = 85 × 1/1 = 85.0.\n</reasoning>\nFinal Answer: 85.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 3x + -14 = -92" }, { "role": "assistant", "content": "<reasoning>\nSubtract -14 from both sides: 3x = -78. Divide by 3: x = -26.\n</reasoning>\nFinal Answer: -26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 23 - -140" }, { "role": "assistant", "content": "<reasoning>\nSubtract -140 from 23: 23 - -140 = 163.\n</reasoning>\nFinal Answer: 163" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 45 and 25." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (45×25)/5 = 225.\n</reasoning>\nFinal Answer: 225" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "A train travels at 81 km/h. How far does it travel in 1 hours and 43 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 1 + 43/60 = 1.7167 hours. Distance = speed × time = 81 × 1.7167 = 139.05 km.\n</reasoning>\nFinal Answer: 139.05" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 5 * 2 + 31 * 34" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 5×2=10 and 31×34=1054, then add: 1064.\n</reasoning>\nFinal Answer: 1064" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -123 - -152" }, { "role": "assistant", "content": "<reasoning>\nSubtract -152 from -123: -123 - -152 = 29.\n</reasoning>\nFinal Answer: 29" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "11 workers can complete a job in 22 days. How many days will 19 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 11 × 22 = 242 worker-days. New time = 242 / 19 = 12.7368 days.\n</reasoning>\nFinal Answer: 12.7368" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 3, 4 and height 22." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (3+4) × 22 = 77.0.\n</reasoning>\nFinal Answer: 77.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -827 × -92" }, { "role": "assistant", "content": "<reasoning>\nMultiply -827 by -92: -827 × -92 = 76084.\n</reasoning>\nFinal Answer: 76084" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 3/6 - 4/20" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 3/6 - 4/20. LCD = 10. Result = 3/10.\n</reasoning>\nFinal Answer: 3/10" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 17x + -32 = 223" }, { "role": "assistant", "content": "<reasoning>\nSubtract -32 from both sides: 17x = 255. Divide by 17: x = 15.\n</reasoning>\nFinal Answer: 15" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 93 and height 79." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 93 × 79 = 7347.\n</reasoning>\nFinal Answer: 7347" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "If the ratio of A to B is 33:33 and A = 84, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 33/33, so B = A × (33/33) = 84 × 33/33 = 84.0.\n</reasoning>\nFinal Answer: 84.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "13 is what percentage of 584?" }, { "role": "assistant", "content": "<reasoning>\n(13/584) × 100 = 2.226%.\n</reasoning>\nFinal Answer: 2.226%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the range of: [33, 61, 54, 50, 1, 64, 4, 12, 83]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 83 - 1 = 82.\n</reasoning>\nFinal Answer: 82" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Solve for x: 19x + 48 = -465" }, { "role": "assistant", "content": "<reasoning>\nSubtract 48 from both sides: 19x = -513. Divide by 19: x = -27.\n</reasoning>\nFinal Answer: -27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 28:6 and A = 61, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 28/6, so B = A × (6/28) = 61 × 6/28 = 13.0714.\n</reasoning>\nFinal Answer: 13.0714" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "5 workers can complete a job in 20 days. How many days will 6 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 5 × 20 = 100 worker-days. New time = 100 / 6 = 16.6667 days.\n</reasoning>\nFinal Answer: 16.6667" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [4, 16, 18] and B = [1, 4, 5, 8, 14], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [1, 5, 8, 14, 16, 18].\n</reasoning>\nFinal Answer: [1, 5, 8, 14,...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Decrease 112 by 100%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 100%: 112 × (1 - 100/100) = 112 × 0.0 = 0.0.\n</reasoning>\nFinal Answer: 0.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 26x + -48 = 160" }, { "role": "assistant", "content": "<reasoning>\nSubtract -48 from both sides: 26x = 208. Divide by 26: x = 8.\n</reasoning>\nFinal Answer: 8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 18/13 / 8/5" }, { "role": "assistant", "content": "<reasoning>\nDivide: (18/13) ÷ (8/5) = (18/13) × (5/8) = 45/52.\n</reasoning>\nFinal Answer: 45/52" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 17 and width 60." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 17 × 60 = 1020.\n</reasoning>\nFinal Answer: 1020" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 191 apples and buys 154 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 191 + 154 = 345.\n</reasoning>\nFinal Answer: 345" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "301 is what percentage of 664?" }, { "role": "assistant", "content": "<reasoning>\n(301/664) × 100 = 45.3313%.\n</reasoning>\nFinal Answer: 45.3313%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Evaluate using order of operations: 17 * 13 + 9 * 4" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 17×13=221 and 9×4=36, then add: 257.\n</reasoning>\nFinal Answer: 257" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 156 km/h. How far does it travel in 10 hours and 34 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 10 + 34/60 = 10.5667 hours. Distance = speed × time = 156 × 10.5667 = 1648.4 km.\n</reasoning>\nFinal Answer: 1648.4" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 50 * 40 + 29 * 6" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 50×40=2000 and 29×6=174, then add: 2174.\n</reasoning>\nFinal Answer: 2174" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 30x + -9 = 621" }, { "role": "assistant", "content": "<reasoning>\nSubtract -9 from both sides: 30x = 630. Divide by 30: x = 21.\n</reasoning>\nFinal Answer: 21" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Increase 154 by 7%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 7%: 154 × (1 + 7/100) = 154 × 1.07 = 164.78.\n</reasoning>\nFinal Answer: 164.78" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 21x + 30 = -180" }, { "role": "assistant", "content": "<reasoning>\nSubtract 30 from both sides: 21x = -210. Divide by 21: x = -10.\n</reasoning>\nFinal Answer: -10" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -481 - 548" }, { "role": "assistant", "content": "<reasoning>\nSubtract 548 from -481: -481 - 548 = -1029.\n</reasoning>\nFinal Answer: -1029" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 790 by 65%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 65%: 790 × (1 + 65/100) = 790 × 1.65 = 1303.5.\n</reasoning>\nFinal Answer: 1303.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Ravi has 173 apples and buys 138 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 173 + 138 = 311.\n</reasoning>\nFinal Answer: 311" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 12x + -15 = -231" }, { "role": "assistant", "content": "<reasoning>\nSubtract -15 from both sides: 12x = -216. Divide by 12: x = -18.\n</reasoning>\nFinal Answer: -18" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹39138 at 19% per annum for 4 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 39138 × 19 × 4 / 100 = 29744.88.\n</reasoning>\nFinal Answer: 29744.88" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 3/15 / 6/13" }, { "role": "assistant", "content": "<reasoning>\nDivide: (3/15) ÷ (6/13) = (3/15) × (13/6) = 13/30.\n</reasoning>\nFinal Answer: 13/30" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 18x + 28 = 226" }, { "role": "assistant", "content": "<reasoning>\nSubtract 28 from both sides: 18x = 198. Divide by 18: x = 11.\n</reasoning>\nFinal Answer: 11" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 938 × -942" }, { "role": "assistant", "content": "<reasoning>\nMultiply 938 by -942: 938 × -942 = -883596.\n</reasoning>\nFinal Answer: -883596" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 22x + 9 = 405" }, { "role": "assistant", "content": "<reasoning>\nSubtract 9 from both sides: 22x = 396. Divide by 22: x = 18.\n</reasoning>\nFinal Answer: 18" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 438 × 695" }, { "role": "assistant", "content": "<reasoning>\nMultiply 438 by 695: 438 × 695 = 304410.\n</reasoning>\nFinal Answer: 304410" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 20/14 / 6/4" }, { "role": "assistant", "content": "<reasoning>\nDivide: (20/14) ÷ (6/4) = (20/14) × (4/6) = 20/21.\n</reasoning>\nFinal Answer: 20/21" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 24 * 49 + 39 * 29" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 24×49=1176 and 39×29=1131, then add: 2307.\n</reasoning>\nFinal Answer: 2307" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 5 and common difference 11, find the 35th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 5 + (35-1)×11 = 5 + 374 = 379.\n</reasoning>\nFinal Answer: 379" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the median of: [84, 18, 61, 57, 47, 79]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [18, 47, 57, 61, 79, 84]. Middle value(s) → median = 59.0.\n</reasoning>\nFinal Answer: 59.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Simplify: 1/19 * 14/16" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (1/19) × (14/16) = (14/304) = 7/152 after simplification.\n</reasoning>\nFinal Answer: 7/152" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Increase 753 by 80%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 80%: 753 × (1 + 80/100) = 753 × 1.8 = 1355.4.\n</reasoning>\nFinal Answer: 1355.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 15/1 / 3/13" }, { "role": "assistant", "content": "<reasoning>\nDivide: (15/1) ÷ (3/13) = (15/1) × (13/3) = 65.\n</reasoning>\nFinal Answer: 65" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "726 is what percentage of 962?" }, { "role": "assistant", "content": "<reasoning>\n(726/962) × 100 = 75.4678%.\n</reasoning>\nFinal Answer: 75.4678%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Calculate: 754 + -289" }, { "role": "assistant", "content": "<reasoning>\nAdd 754 and -289: 754 + -289 = 465.\n</reasoning>\nFinal Answer: 465" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 38:28 and A = 35, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 38/28, so B = A × (28/38) = 35 × 28/38 = 25.7895.\n</reasoning>\nFinal Answer: 25.7895" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Decrease 76 by 65%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 65%: 76 × (1 - 65/100) = 76 × 0.35 = 26.6.\n</reasoning>\nFinal Answer: 26.6" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 10x + 48 = 258" }, { "role": "assistant", "content": "<reasoning>\nSubtract 48 from both sides: 10x = 210. Divide by 10: x = 21.\n</reasoning>\nFinal Answer: 21" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -509 - -323" }, { "role": "assistant", "content": "<reasoning>\nSubtract -323 from -509: -509 - -323 = -186.\n</reasoning>\nFinal Answer: -186" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 25 and 123." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(25,123) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹11034 at 11% per annum for 5 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 11034 × 11 × 5 / 100 = 6068.7.\n</reasoning>\nFinal Answer: 6068.7" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 36 + 33 * 36 - 12" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 33×36=1188, then 36+1188-12=1212.\n</reasoning>\nFinal Answer: 1212" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 22:50 and A = 11, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 22/50, so B = A × (50/22) = 11 × 50/22 = 25.0.\n</reasoning>\nFinal Answer: 25.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 521 ÷ -255" }, { "role": "assistant", "content": "<reasoning>\nDivide 521 by -255. 521 ÷ -255 = -3 (integer division).\n</reasoning>\nFinal Answer: -3" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Decrease 873 by 20%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 20%: 873 × (1 - 20/100) = 873 × 0.8 = 698.4.\n</reasoning>\nFinal Answer: 698.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 92 and height 96." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 92 × 96 = 8832.\n</reasoning>\nFinal Answer: 8832" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Increase 377 by 15%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 15%: 377 × (1 + 15/100) = 377 × 1.15 = 433.55.\n</reasoning>\nFinal Answer: 433.55" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "5 workers can complete a job in 30 days. How many days will 4 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 5 × 30 = 150 worker-days. New time = 150 / 4 = 37.5 days.\n</reasoning>\nFinal Answer: 37.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Ravi has 40 apples and buys 127 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 40 + 127 = 167.\n</reasoning>\nFinal Answer: 167" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -648 + 131" }, { "role": "assistant", "content": "<reasoning>\nAdd -648 and 131: -648 + 131 = -517.\n</reasoning>\nFinal Answer: -517" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 9 and 179." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(9,179) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: 67 × -493" }, { "role": "assistant", "content": "<reasoning>\nMultiply 67 by -493: 67 × -493 = -33031.\n</reasoning>\nFinal Answer: -33031" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 305 ÷ -20" }, { "role": "assistant", "content": "<reasoning>\nDivide 305 by -20. 305 ÷ -20 = -16 (integer division).\n</reasoning>\nFinal Answer: -16" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹42302 at 8% per annum for 10 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 42302 × 8 × 10 / 100 = 33841.6.\n</reasoning>\nFinal Answer: 33841.6" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 719 mod 198" }, { "role": "assistant", "content": "<reasoning>\n719 mod 198: 719 = 198 × 3 + 125, so remainder = 125.\n</reasoning>\nFinal Answer: 125" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 12x + 24 = 372" }, { "role": "assistant", "content": "<reasoning>\nSubtract 24 from both sides: 12x = 348. Divide by 12: x = 29.\n</reasoning>\nFinal Answer: 29" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 924 × 456" }, { "role": "assistant", "content": "<reasoning>\nMultiply 924 by 456: 924 × 456 = 421344.\n</reasoning>\nFinal Answer: 421344" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the prime factorization of 43." }, { "role": "assistant", "content": "<reasoning>\nDivide 43 by smallest primes repeatedly: 43 = 43.\n</reasoning>\nFinal Answer: 43" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Simplify: 14/3 - 6/15" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 14/3 - 6/15. LCD = 15. Result = 64/15.\n</reasoning>\nFinal Answer: 64/15" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Given A = [4, 7, 8, 12, 17] and B = [5, 6, 7, 8, 12, 14, 18, 19], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [4, 5, 6, 7, 8, 12, 14, 17, 18, 19].\n</reasoning>\nFinal Answer: [4, 5, 6, 7, ...
medium
[ "set_theory" ]
[ { "role": "user", "content": "If the ratio of A to B is 15:47 and A = 18, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 15/47, so B = A × (47/15) = 18 × 47/15 = 56.4.\n</reasoning>\nFinal Answer: 56.4" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 4/5 + 8/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 4/5 + 8/1. Common denominator = 5. Result = 44/5.\n</reasoning>\nFinal Answer: 44/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "What is 12% of 317?" }, { "role": "assistant", "content": "<reasoning>\n12% of 317 = (12/100) × 317 = 38.04.\n</reasoning>\nFinal Answer: 38.04" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 8/14 + 19/15" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 8/14 + 19/15. Common denominator = 105. Result = 193/105.\n</reasoning>\nFinal Answer: 193/105" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 32, 25 and height 47." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (32+25) × 47 = 1339.5.\n</reasoning>\nFinal Answer: 1339.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the median of: [13, 44, 39, 51, 58, 21]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [13, 21, 39, 44, 51, 58]. Middle value(s) → median = 41.5.\n</reasoning>\nFinal Answer: 41.5" } ]
medium
[ "statistics", "median" ]