messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Solve for x: 30x + 2 = 722" }, { "role": "assistant", "content": "<reasoning>\nSubtract 2 from both sides: 30x = 720. Divide by 30: x = 24.\n</reasoning>\nFinal Answer: 24" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 204 - 764" }, { "role": "assistant", "content": "<reasoning>\nSubtract 764 from 204: 204 - 764 = -560.\n</reasoning>\nFinal Answer: -560" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve: 1x² + (2)x + (1) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 2² - 4×1×1 = 0. √discriminant = 0. x = (-(2) ± 0) / (2×1). Solutions: x = -1 (double root).\n</reasoning>\nFinal Answer: x = -1 (double root)" }...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 45 and height 83." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 45 × 83 = 3735.\n</reasoning>\nFinal Answer: 3735" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the perimeter of a square with side 69." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 4 × side = 4 × 69 = 276.\n</reasoning>\nFinal Answer: 276" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 36 and 41." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (36×41)/1 = 1476.\n</reasoning>\nFinal Answer: 1476" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Calculate: 58 × 892" }, { "role": "assistant", "content": "<reasoning>\nMultiply 58 by 892: 58 × 892 = 51736.\n</reasoning>\nFinal Answer: 51736" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (7 + 10) * (44 - 18)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (7+10)=17, (44-18)=26, then 17×26=442.\n</reasoning>\nFinal Answer: 442" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -641 - -177" }, { "role": "assistant", "content": "<reasoning>\nSubtract -177 from -641: -641 - -177 = -464.\n</reasoning>\nFinal Answer: -464" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 16x + 28 = 428" }, { "role": "assistant", "content": "<reasoning>\nSubtract 28 from both sides: 16x = 400. Divide by 16: x = 25.\n</reasoning>\nFinal Answer: 25" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 4/14 + 18/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 4/14 + 18/1. Common denominator = 7. Result = 128/7.\n</reasoning>\nFinal Answer: 128/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -965 mod 154" }, { "role": "assistant", "content": "<reasoning>\n-965 mod 154: -965 = 154 × -7 + 113, so remainder = 113.\n</reasoning>\nFinal Answer: 113" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 24 and 27." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (24×27)/3 = 216.\n</reasoning>\nFinal Answer: 216" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "If the ratio of A to B is 36:10 and A = 34, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 36/10, so B = A × (10/36) = 34 × 10/36 = 9.4444.\n</reasoning>\nFinal Answer: 9.4444" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Decrease 926 by 45%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 45%: 926 × (1 - 45/100) = 926 × 0.55 = 509.3.\n</reasoning>\nFinal Answer: 509.3" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 883 + 357" }, { "role": "assistant", "content": "<reasoning>\nAdd 883 and 357: 883 + 357 = 1240.\n</reasoning>\nFinal Answer: 1240" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 192 km apart. Their speeds are 109 km/h and 65 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 109+65=174 km/h. Time = 192/174 = 1.1034 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 11/12 * 7/3" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (11/12) × (7/3) = (77/36) = 77/36 after simplification.\n</reasoning>\nFinal Answer: 77/36" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹16461 at 12% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 16461 × 12 × 1 / 100 = 1975.32.\n</reasoning>\nFinal Answer: 1975.32" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 26x + -1 = 1221" }, { "role": "assistant", "content": "<reasoning>\nSubtract -1 from both sides: 26x = 1222. Divide by 26: x = 47.\n</reasoning>\nFinal Answer: 47" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 966 + 414" }, { "role": "assistant", "content": "<reasoning>\nAdd 966 and 414: 966 + 414 = 1380.\n</reasoning>\nFinal Answer: 1380" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 6x + 18 = 198" }, { "role": "assistant", "content": "<reasoning>\nSubtract 18 from both sides: 6x = 180. Divide by 6: x = 30.\n</reasoning>\nFinal Answer: 30" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the next term in the sequence: [2, 8, 32, 128, 512]" }, { "role": "assistant", "content": "<reasoning>\nThis is a geometric sequence with first term 2 and ratio 4. Next term = 512 × 4 = 2048.\n</reasoning>\nFinal Answer: 2048" } ]
medium
[ "sequences", "geometric_progression" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹28717 at 16% per annum for 5 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 28717 × 16 × 5 / 100 = 22973.6.\n</reasoning>\nFinal Answer: 22973.6" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 20x + -49 = -329" }, { "role": "assistant", "content": "<reasoning>\nSubtract -49 from both sides: 20x = -280. Divide by 20: x = -14.\n</reasoning>\nFinal Answer: -14" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "442 is what percentage of 801?" }, { "role": "assistant", "content": "<reasoning>\n(442/801) × 100 = 55.181%.\n</reasoning>\nFinal Answer: 55.181%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Decrease 311 by 50%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 50%: 311 × (1 - 50/100) = 311 × 0.5 = 155.5.\n</reasoning>\nFinal Answer: 155.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Given A = [2, 4, 5, 9, 10, 12, 13] and B = [5, 9, 13, 15, 17, 18], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [5, 9, 13].\n</reasoning>\nFinal Answer: [5, 9, 13]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Evaluate using order of operations: 26 + 30 * 39 - 40" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 30×39=1170, then 26+1170-40=1156.\n</reasoning>\nFinal Answer: 1156" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 13/3 / 9/16" }, { "role": "assistant", "content": "<reasoning>\nDivide: (13/3) ÷ (9/16) = (13/3) × (16/9) = 208/27.\n</reasoning>\nFinal Answer: 208/27" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -386 ÷ -144" }, { "role": "assistant", "content": "<reasoning>\nDivide -386 by -144. -386 ÷ -144 = 2 (integer division).\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 22 + 21 * 22 - 10" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 21×22=462, then 22+462-10=474.\n</reasoning>\nFinal Answer: 474" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 19x + -1 = 664" }, { "role": "assistant", "content": "<reasoning>\nSubtract -1 from both sides: 19x = 665. Divide by 19: x = 35.\n</reasoning>\nFinal Answer: 35" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 45 * 13 + 49 * 1" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 45×13=585 and 49×1=49, then add: 634.\n</reasoning>\nFinal Answer: 634" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 45 and common difference 7, find the 40th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 45 + (40-1)×7 = 45 + 273 = 318.\n</reasoning>\nFinal Answer: 318" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the area of a circle with radius 17. (Use π ≈ 3.14159)" }, { "role": "assistant", "content": "<reasoning>\nArea = π × r² = π × 17² = π × 289 ≈ 907.9203.\n</reasoning>\nFinal Answer: 907.9203" } ]
medium
[ "geometry", "area", "circle" ]
[ { "role": "user", "content": "Find the range of: [40, 90, 11, 67, 38, 18]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 90 - 11 = 79.\n</reasoning>\nFinal Answer: 79" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "What is 90% of 954?" }, { "role": "assistant", "content": "<reasoning>\n90% of 954 = (90/100) × 954 = 858.6.\n</reasoning>\nFinal Answer: 858.6" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 3 and height 1." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 3 × 1 = 3.\n</reasoning>\nFinal Answer: 3" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 701 - 295" }, { "role": "assistant", "content": "<reasoning>\nSubtract 295 from 701: 701 - 295 = 406.\n</reasoning>\nFinal Answer: 406" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "148 is what percentage of 282?" }, { "role": "assistant", "content": "<reasoning>\n(148/282) × 100 = 52.4823%.\n</reasoning>\nFinal Answer: 52.4823%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹25118 at 19% per annum for 10 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 25118 × 19 × 10 / 100 = 47724.2.\n</reasoning>\nFinal Answer: 47724.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 19x + -3 = -250" }, { "role": "assistant", "content": "<reasoning>\nSubtract -3 from both sides: 19x = -247. Divide by 19: x = -13.\n</reasoning>\nFinal Answer: -13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 43 ÷ -334" }, { "role": "assistant", "content": "<reasoning>\nDivide 43 by -334. 43 ÷ -334 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 30x + -27 = 663" }, { "role": "assistant", "content": "<reasoning>\nSubtract -27 from both sides: 30x = 690. Divide by 30: x = 23.\n</reasoning>\nFinal Answer: 23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Ravi has 131 apples and buys 83 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 131 + 83 = 214.\n</reasoning>\nFinal Answer: 214" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 917 - -498" }, { "role": "assistant", "content": "<reasoning>\nSubtract -498 from 917: 917 - -498 = 1415.\n</reasoning>\nFinal Answer: 1415" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 4:31 and A = 75, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 4/31, so B = A × (31/4) = 75 × 31/4 = 581.25.\n</reasoning>\nFinal Answer: 581.25" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the median of: [57, 71, 11, 69, 9, 93, 87, 39]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [9, 11, 39, 57, 69, 71, 87, 93]. Middle value(s) → median = 63.0.\n</reasoning>\nFinal Answer: 63.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Evaluate using order of operations: 28 * 9 + 30 * 44" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 28×9=252 and 30×44=1320, then add: 1572.\n</reasoning>\nFinal Answer: 1572" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 26x + -38 = -662" }, { "role": "assistant", "content": "<reasoning>\nSubtract -38 from both sides: 26x = -624. Divide by 26: x = -24.\n</reasoning>\nFinal Answer: -24" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "12 workers can complete a job in 5 days. How many days will 19 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 12 × 5 = 60 worker-days. New time = 60 / 19 = 3.1579 days.\n</reasoning>\nFinal Answer: 3.1579" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 833 - -212" }, { "role": "assistant", "content": "<reasoning>\nSubtract -212 from 833: 833 - -212 = 1045.\n</reasoning>\nFinal Answer: 1045" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 224 ÷ 256" }, { "role": "assistant", "content": "<reasoning>\nDivide 224 by 256. 224 ÷ 256 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [45, 87, 81, 66, 86, 23, 70, 56, 80, 100]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {45: 1, 87: 1, 81: 1, 66: 1, 86: 1, 23: 1, 70: 1, 56: 1, 80: 1, 100: 1}. Most frequent: [45, 87, 81, 66, 86, 23, 70, 56, 80, 100].\n</r...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Solve for x: 2x + -27 = -121" }, { "role": "assistant", "content": "<reasoning>\nSubtract -27 from both sides: 2x = -94. Divide by 2: x = -47.\n</reasoning>\nFinal Answer: -47" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Decrease 21 by 80%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 80%: 21 × (1 - 80/100) = 21 × 0.19999999999999996 = 4.2.\n</reasoning>\nFinal Answer: 4.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -307 ÷ -127" }, { "role": "assistant", "content": "<reasoning>\nDivide -307 by -127. -307 ÷ -127 = 2 (integer division).\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -968 × -351" }, { "role": "assistant", "content": "<reasoning>\nMultiply -968 by -351: -968 × -351 = 339768.\n</reasoning>\nFinal Answer: 339768" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 967 + 970" }, { "role": "assistant", "content": "<reasoning>\nAdd 967 and 970: 967 + 970 = 1937.\n</reasoning>\nFinal Answer: 1937" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [44, 34, 71, 69, 12, 47, 38, 22, 84, 22]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {44: 1, 34: 1, 71: 1, 69: 1, 12: 1, 47: 1, 38: 1, 22: 2, 84: 1}. Most frequent: 22.\n</reasoning>\nFinal Answer: 22" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Given A = [4, 6, 9, 11, 14, 16, 17] and B = [1, 8, 13, 14, 18, 19], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [4, 6, 9, 11, 16, 17].\n</reasoning>\nFinal Answer: [4, 6, 9, 11, 16, 17]...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: -303 × 558" }, { "role": "assistant", "content": "<reasoning>\nMultiply -303 by 558: -303 × 558 = -169074.\n</reasoning>\nFinal Answer: -169074" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 47 and 5." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (47×5)/1 = 235.\n</reasoning>\nFinal Answer: 235" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Solve for x: 9x + 27 = 477" }, { "role": "assistant", "content": "<reasoning>\nSubtract 27 from both sides: 9x = 450. Divide by 9: x = 50.\n</reasoning>\nFinal Answer: 50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "63 is what percentage of 108?" }, { "role": "assistant", "content": "<reasoning>\n(63/108) × 100 = 58.3333%.\n</reasoning>\nFinal Answer: 58.3333%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Simplify: 3/14 / 9/13" }, { "role": "assistant", "content": "<reasoning>\nDivide: (3/14) ÷ (9/13) = (3/14) × (13/9) = 13/42.\n</reasoning>\nFinal Answer: 13/42" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [77, 56, 87, 15, 31, 58, 19, 53]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 396/8 = 49.5.\n</reasoning>\nFinal Answer: 49.5" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 17 and height 100." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 17 × 100 = 1700.\n</reasoning>\nFinal Answer: 1700" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -554 × -408" }, { "role": "assistant", "content": "<reasoning>\nMultiply -554 by -408: -554 × -408 = 226032.\n</reasoning>\nFinal Answer: 226032" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -913 - -911" }, { "role": "assistant", "content": "<reasoning>\nSubtract -911 from -913: -913 - -911 = -2.\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 20 + 39 ** 2 - 26" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 39²=1521, then 20+1521-26=1515.\n</reasoning>\nFinal Answer: 1515" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 42 and width 49." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 42 × 49 = 2058.\n</reasoning>\nFinal Answer: 2058" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: (35 + 41) * (42 - 41)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (35+41)=76, (42-41)=1, then 76×1=76.\n</reasoning>\nFinal Answer: 76" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "What is 15% of 740?" }, { "role": "assistant", "content": "<reasoning>\n15% of 740 = (15/100) × 740 = 111.0.\n</reasoning>\nFinal Answer: 111.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 34:16 and A = 90, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 34/16, so B = A × (16/34) = 90 × 16/34 = 42.3529.\n</reasoning>\nFinal Answer: 42.3529" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 20x + -24 = -644" }, { "role": "assistant", "content": "<reasoning>\nSubtract -24 from both sides: 20x = -620. Divide by 20: x = -31.\n</reasoning>\nFinal Answer: -31" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -228 mod -526" }, { "role": "assistant", "content": "<reasoning>\n-228 mod -526: -228 = -526 × 0 + -228, so remainder = -228.\n</reasoning>\nFinal Answer: -228" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -5 + -632" }, { "role": "assistant", "content": "<reasoning>\nAdd -5 and -632: -5 + -632 = -637.\n</reasoning>\nFinal Answer: -637" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 24 * 30 + 36 * 39" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 24×30=720 and 36×39=1404, then add: 2124.\n</reasoning>\nFinal Answer: 2124" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 40:14 and A = 64, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 40/14, so B = A × (14/40) = 64 × 14/40 = 22.4.\n</reasoning>\nFinal Answer: 22.4" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 238 ÷ 377" }, { "role": "assistant", "content": "<reasoning>\nDivide 238 by 377. 238 ÷ 377 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (28 + 50) * (35 - 21)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (28+50)=78, (35-21)=14, then 78×14=1092.\n</reasoning>\nFinal Answer: 1092" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 33:15 and A = 16, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 33/15, so B = A × (15/33) = 16 × 15/33 = 7.2727.\n</reasoning>\nFinal Answer: 7.2727" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 538 mod 266" }, { "role": "assistant", "content": "<reasoning>\n538 mod 266: 538 = 266 × 2 + 6, so remainder = 6.\n</reasoning>\nFinal Answer: 6" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -72 - -449" }, { "role": "assistant", "content": "<reasoning>\nSubtract -449 from -72: -72 - -449 = 377.\n</reasoning>\nFinal Answer: 377" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -492 × 424" }, { "role": "assistant", "content": "<reasoning>\nMultiply -492 by 424: -492 × 424 = -208608.\n</reasoning>\nFinal Answer: -208608" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Decrease 512 by 40%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 40%: 512 × (1 - 40/100) = 512 × 0.6 = 307.2.\n</reasoning>\nFinal Answer: 307.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -435 - -834" }, { "role": "assistant", "content": "<reasoning>\nSubtract -834 from -435: -435 - -834 = 399.\n</reasoning>\nFinal Answer: 399" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 16x + 49 = -751" }, { "role": "assistant", "content": "<reasoning>\nSubtract 49 from both sides: 16x = -800. Divide by 16: x = -50.\n</reasoning>\nFinal Answer: -50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 25x + 23 = 998" }, { "role": "assistant", "content": "<reasoning>\nSubtract 23 from both sides: 25x = 975. Divide by 25: x = 39.\n</reasoning>\nFinal Answer: 39" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (33 + 2) * (40 - 44)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (33+2)=35, (40-44)=-4, then 35×-4=-140.\n</reasoning>\nFinal Answer: -140" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 41:4 and A = 28, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 41/4, so B = A × (4/41) = 28 × 4/41 = 2.7317.\n</reasoning>\nFinal Answer: 2.7317" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 72 and width 93." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 72 × 93 = 6696.\n</reasoning>\nFinal Answer: 6696" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 11, 9 and height 13." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (11+9) × 13 = 130.0.\n</reasoning>\nFinal Answer: 130.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: (3 + 25) * (28 - 9)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (3+25)=28, (28-9)=19, then 28×19=532.\n</reasoning>\nFinal Answer: 532" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 725 - -368" }, { "role": "assistant", "content": "<reasoning>\nSubtract -368 from 725: 725 - -368 = 1093.\n</reasoning>\nFinal Answer: 1093" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 26:1 and A = 64, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 26/1, so B = A × (1/26) = 64 × 1/26 = 2.4615.\n</reasoning>\nFinal Answer: 2.4615" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Given A = [2, 8, 16] and B = [4, 6, 7, 8, 16, 18], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [8, 16].\n</reasoning>\nFinal Answer: [8, 16]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: -46 ÷ -858" }, { "role": "assistant", "content": "<reasoning>\nDivide -46 by -858. -46 ÷ -858 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]