messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the mean of: [58, 17, 36, 93, 32, 6, 37, 10, 53, 35]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 377/10 = 37.7.\n</reasoning>\nFinal Answer: 37.7" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹31716 at 18% per annum for 8 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 31716 × 18 × 8 / 100 = 45671.04.\n</reasoning>\nFinal Answer: 45671.04" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 34 and height 75." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 34 × 75 = 2550.\n</reasoning>\nFinal Answer: 2550" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 30x + 32 = 1352" }, { "role": "assistant", "content": "<reasoning>\nSubtract 32 from both sides: 30x = 1320. Divide by 30: x = 44.\n</reasoning>\nFinal Answer: 44" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mean of: [99, 39, 55, 32, 21, 92]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 338/6 = 56.3333.\n</reasoning>\nFinal Answer: 56.3333" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Given A = [5, 14, 16] and B = [4, 6, 17], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [4, 5, 6, 14, 16, 17].\n</reasoning>\nFinal Answer: [4, 5, 6, 14, 16, 17]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 7/8 * 12/18" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (7/8) × (12/18) = (84/144) = 7/12 after simplification.\n</reasoning>\nFinal Answer: 7/12" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 37, 15 and height 13." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (37+15) × 13 = 338.0.\n</reasoning>\nFinal Answer: 338.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -618 ÷ 855" }, { "role": "assistant", "content": "<reasoning>\nDivide -618 by 855. -618 ÷ 855 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -38 - 128" }, { "role": "assistant", "content": "<reasoning>\nSubtract 128 from -38: -38 - 128 = -166.\n</reasoning>\nFinal Answer: -166" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 34 + 45 ** 2 - 39" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 45²=2025, then 34+2025-39=2020.\n</reasoning>\nFinal Answer: 2020" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Given A = [2, 3, 5] and B = [5, 6, 7, 19], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [2, 3].\n</reasoning>\nFinal Answer: [2, 3]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the range of: [88, 51, 8, 47, 86, 54]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 88 - 8 = 80.\n</reasoning>\nFinal Answer: 80" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Increase 235 by 35%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 35%: 235 × (1 + 35/100) = 235 × 1.35 = 317.25.\n</reasoning>\nFinal Answer: 317.25" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 18x + 24 = 6" }, { "role": "assistant", "content": "<reasoning>\nSubtract 24 from both sides: 18x = -18. Divide by 18: x = -1.\n</reasoning>\nFinal Answer: -1" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 9x + 28 = -296" }, { "role": "assistant", "content": "<reasoning>\nSubtract 28 from both sides: 9x = -324. Divide by 9: x = -36.\n</reasoning>\nFinal Answer: -36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -416 × 786" }, { "role": "assistant", "content": "<reasoning>\nMultiply -416 by 786: -416 × 786 = -326976.\n</reasoning>\nFinal Answer: -326976" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 17/10 + 2/3" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 17/10 + 2/3. Common denominator = 30. Result = 71/30.\n</reasoning>\nFinal Answer: 71/30" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 575 + 57" }, { "role": "assistant", "content": "<reasoning>\nAdd 575 and 57: 575 + 57 = 632.\n</reasoning>\nFinal Answer: 632" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 13 * 44 + 19 * 5" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 13×44=572 and 19×5=95, then add: 667.\n</reasoning>\nFinal Answer: 667" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the range of: [46, 9, 3, 46, 37, 95, 67, 36, 52]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 95 - 3 = 92.\n</reasoning>\nFinal Answer: 92" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Solve for x: 17x + 0 = -136" }, { "role": "assistant", "content": "<reasoning>\nSubtract 0 from both sides: 17x = -136. Divide by 17: x = -8.\n</reasoning>\nFinal Answer: -8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 21x + -20 = 673" }, { "role": "assistant", "content": "<reasoning>\nSubtract -20 from both sides: 21x = 693. Divide by 21: x = 33.\n</reasoning>\nFinal Answer: 33" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -617 mod -191" }, { "role": "assistant", "content": "<reasoning>\n-617 mod -191: -617 = -191 × 3 + -44, so remainder = -44.\n</reasoning>\nFinal Answer: -44" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 169 - 722" }, { "role": "assistant", "content": "<reasoning>\nSubtract 722 from 169: 169 - 722 = -553.\n</reasoning>\nFinal Answer: -553" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 9x + 47 = -88" }, { "role": "assistant", "content": "<reasoning>\nSubtract 47 from both sides: 9x = -135. Divide by 9: x = -15.\n</reasoning>\nFinal Answer: -15" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 36:16 and A = 84, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 36/16, so B = A × (16/36) = 84 × 16/36 = 37.3333.\n</reasoning>\nFinal Answer: 37.3333" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "85 is what percentage of 134?" }, { "role": "assistant", "content": "<reasoning>\n(85/134) × 100 = 63.4328%.\n</reasoning>\nFinal Answer: 63.4328%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Solve for x: 7x + -5 = -327" }, { "role": "assistant", "content": "<reasoning>\nSubtract -5 from both sides: 7x = -322. Divide by 7: x = -46.\n</reasoning>\nFinal Answer: -46" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Ravi has 70 apples and buys 24 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 70 + 24 = 94.\n</reasoning>\nFinal Answer: 94" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 23x + -36 = 815" }, { "role": "assistant", "content": "<reasoning>\nSubtract -36 from both sides: 23x = 851. Divide by 23: x = 37.\n</reasoning>\nFinal Answer: 37" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 61 and height 43." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 61 × 43 = 1311.5.\n</reasoning>\nFinal Answer: 1311.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 355 × 964" }, { "role": "assistant", "content": "<reasoning>\nMultiply 355 by 964: 355 × 964 = 342220.\n</reasoning>\nFinal Answer: 342220" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 757 ÷ -727" }, { "role": "assistant", "content": "<reasoning>\nDivide 757 by -727. 757 ÷ -727 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (27 + 44) * (50 - 12)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (27+44)=71, (50-12)=38, then 71×38=2698.\n</reasoning>\nFinal Answer: 2698" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 14x + 8 = -356" }, { "role": "assistant", "content": "<reasoning>\nSubtract 8 from both sides: 14x = -364. Divide by 14: x = -26.\n</reasoning>\nFinal Answer: -26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 14x + -15 = 489" }, { "role": "assistant", "content": "<reasoning>\nSubtract -15 from both sides: 14x = 504. Divide by 14: x = 36.\n</reasoning>\nFinal Answer: 36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -565 + -46" }, { "role": "assistant", "content": "<reasoning>\nAdd -565 and -46: -565 + -46 = -611.\n</reasoning>\nFinal Answer: -611" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -798 × -979" }, { "role": "assistant", "content": "<reasoning>\nMultiply -798 by -979: -798 × -979 = 781242.\n</reasoning>\nFinal Answer: 781242" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 4/19 + 8/15" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 4/19 + 8/15. Common denominator = 285. Result = 212/285.\n</reasoning>\nFinal Answer: 212/285" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹2264. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 2264 × 18/100 = 407.52. Total = 2264 + 407.52 = 2671.52.\n</reasoning>\nFinal Answer: 2671.52" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve: 4x² + (-56)x + (196) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -56² - 4×4×196 = 0. √discriminant = 0. x = (-(-56) ± 0) / (2×4). Solutions: x = 7 (double root).\n</reasoning>\nFinal Answer: x = 7 (double ro...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "If the ratio of A to B is 32:34 and A = 84, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 32/34, so B = A × (34/32) = 84 × 34/32 = 89.25.\n</reasoning>\nFinal Answer: 89.25" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 87 and width 65." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(87+65) = 2×152 = 304.\n</reasoning>\nFinal Answer: 304" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Ravi has 139 apples and buys 90 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 139 + 90 = 229.\n</reasoning>\nFinal Answer: 229" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 7/10 + 7/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 7/10 + 7/1. Common denominator = 10. Result = 77/10.\n</reasoning>\nFinal Answer: 77/10" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [72, 24, 28, 11, 63, 67, 58]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 323/7 = 46.1429.\n</reasoning>\nFinal Answer: 46.1429" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Evaluate using order of operations: (23 + 26) * (3 - 1)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (23+26)=49, (3-1)=2, then 49×2=98.\n</reasoning>\nFinal Answer: 98" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Increase 469 by 70%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 70%: 469 × (1 + 70/100) = 469 × 1.7 = 797.3.\n</reasoning>\nFinal Answer: 797.3" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 4x + -23 = -147" }, { "role": "assistant", "content": "<reasoning>\nSubtract -23 from both sides: 4x = -124. Divide by 4: x = -31.\n</reasoning>\nFinal Answer: -31" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -172 + -725" }, { "role": "assistant", "content": "<reasoning>\nAdd -172 and -725: -172 + -725 = -897.\n</reasoning>\nFinal Answer: -897" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 14:50 and A = 6, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 14/50, so B = A × (50/14) = 6 × 50/14 = 21.4286.\n</reasoning>\nFinal Answer: 21.4286" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "An item costs ₹1591. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1591 × 5/100 = 79.55. Total = 1591 + 79.55 = 1670.55.\n</reasoning>\nFinal Answer: 1670.55" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 7 + 20 ** 2 - 6" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 20²=400, then 7+400-6=401.\n</reasoning>\nFinal Answer: 401" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 96 km/h. How far does it travel in 6 hours and 39 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 6 + 39/60 = 6.6500 hours. Distance = speed × time = 96 × 6.6500 = 638.4 km.\n</reasoning>\nFinal Answer: 638.4" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [5, 6, 7, 12, 13, 18, 19] and B = [3, 5, 10, 11, 13, 15, 16, 19], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [6, 7, 12, 18].\n</reasoning>\nFinal Answer: [6, 7, 12, 18]" } ...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 5 and height 26." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 5 × 26 = 130.\n</reasoning>\nFinal Answer: 130" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 37 + 32 * 20 - 17" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 32×20=640, then 37+640-17=660.\n</reasoning>\nFinal Answer: 660" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 48:2 and A = 17, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 48/2, so B = A × (2/48) = 17 × 2/48 = 0.7083.\n</reasoning>\nFinal Answer: 0.7083" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "An item costs ₹3493. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3493 × 18/100 = 628.74. Total = 3493 + 628.74 = 4121.74.\n</reasoning>\nFinal Answer: 4121.74" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -520 ÷ -464" }, { "role": "assistant", "content": "<reasoning>\nDivide -520 by -464. -520 ÷ -464 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 100 km apart. Their speeds are 84 km/h and 58 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 84+58=142 km/h. Time = 100/142 = 0.7042 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mode of: [58, 34, 36, 18, 87, 21, 25, 23, 73]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {58: 1, 34: 1, 36: 1, 18: 1, 87: 1, 21: 1, 25: 1, 23: 1, 73: 1}. Most frequent: [58, 34, 36, 18, 87, 21, 25, 23, 73].\n</reasoning>\nFinal A...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the next term in the sequence: [42, 51, 60, 69, 78]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 42 and common difference 9. Next term = 78 + 9 = 87.\n</reasoning>\nFinal Answer: 87" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 26x + 24 = 648" }, { "role": "assistant", "content": "<reasoning>\nSubtract 24 from both sides: 26x = 624. Divide by 26: x = 24.\n</reasoning>\nFinal Answer: 24" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 8 + 7 * 16 - 11" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 7×16=112, then 8+112-11=109.\n</reasoning>\nFinal Answer: 109" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the range of: [77, 37, 85, 63, 58, 85, 52, 91, 82, 97]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 97 - 37 = 60.\n</reasoning>\nFinal Answer: 60" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the mean of: [66, 73, 74, 94, 4, 87, 70, 25]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 493/8 = 61.625.\n</reasoning>\nFinal Answer: 61.625" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 28x + -26 = 114" }, { "role": "assistant", "content": "<reasoning>\nSubtract -26 from both sides: 28x = 140. Divide by 28: x = 5.\n</reasoning>\nFinal Answer: 5" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 42 and 35." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (42×35)/7 = 210.\n</reasoning>\nFinal Answer: 210" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 159 and 120." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(159,120) = 3.\n</reasoning>\nFinal Answer: 3" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Evaluate using order of operations: 19 + 9 ** 2 - 1" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 9²=81, then 19+81-1=99.\n</reasoning>\nFinal Answer: 99" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 12:13 and A = 4, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 12/13, so B = A × (13/12) = 4 × 13/12 = 4.3333.\n</reasoning>\nFinal Answer: 4.3333" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the median of: [47, 79, 96, 97, 56]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [47, 56, 79, 96, 97]. Middle value(s) → median = 79.\n</reasoning>\nFinal Answer: 79" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Simplify: 11/18 * 6/14" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (11/18) × (6/14) = (66/252) = 11/42 after simplification.\n</reasoning>\nFinal Answer: 11/42" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 19 and 3." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (19×3)/1 = 57.\n</reasoning>\nFinal Answer: 57" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Solve for x: 2x + 8 = -72" }, { "role": "assistant", "content": "<reasoning>\nSubtract 8 from both sides: 2x = -80. Divide by 2: x = -40.\n</reasoning>\nFinal Answer: -40" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 67 and height 94." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 67 × 94 = 6298.\n</reasoning>\nFinal Answer: 6298" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 41 and common difference 3, find the 18th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 41 + (18-1)×3 = 41 + 51 = 92.\n</reasoning>\nFinal Answer: 92" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "If the ratio of A to B is 18:13 and A = 72, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 18/13, so B = A × (13/18) = 72 × 13/18 = 52.0.\n</reasoning>\nFinal Answer: 52.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 19/4 * 17/1" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (19/4) × (17/1) = (323/4) = 323/4 after simplification.\n</reasoning>\nFinal Answer: 323/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 15/15 - 13/3" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 15/15 - 13/3. LCD = 3. Result = -10/3.\n</reasoning>\nFinal Answer: -10/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Increase 987 by 12%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 12%: 987 × (1 + 12/100) = 987 × 1.12 = 1105.44.\n</reasoning>\nFinal Answer: 1105.44" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 25:7 and A = 35, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 25/7, so B = A × (7/25) = 35 × 7/25 = 9.8.\n</reasoning>\nFinal Answer: 9.8" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -591 ÷ 433" }, { "role": "assistant", "content": "<reasoning>\nDivide -591 by 433. -591 ÷ 433 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 47, 1 and height 28." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (47+1) × 28 = 672.0.\n</reasoning>\nFinal Answer: 672.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 4 + 33 ** 2 - 3" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 33²=1089, then 4+1089-3=1090.\n</reasoning>\nFinal Answer: 1090" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 678 × 667" }, { "role": "assistant", "content": "<reasoning>\nMultiply 678 by 667: 678 × 667 = 452226.\n</reasoning>\nFinal Answer: 452226" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [63, 4, 42, 31, 1, 82, 25, 43, 44]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 335/9 = 37.2222.\n</reasoning>\nFinal Answer: 37.2222" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 265 km apart. Their speeds are 47 km/h and 103 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 47+103=150 km/h. Time = 265/150 = 1.7667 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the range of: [61, 76, 42, 7, 97, 29, 64, 89]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 97 - 7 = 90.\n</reasoning>\nFinal Answer: 90" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Evaluate using order of operations: 22 + 39 * 9 - 8" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 39×9=351, then 22+351-8=365.\n</reasoning>\nFinal Answer: 365" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the prime factorization of 295." }, { "role": "assistant", "content": "<reasoning>\nDivide 295 by smallest primes repeatedly: 295 = 5 × 59.\n</reasoning>\nFinal Answer: 5 × 59" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹22876 at 13% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 22876 × 13 × 1 / 100 = 2973.88.\n</reasoning>\nFinal Answer: 2973.88" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 14x + 26 = 250" }, { "role": "assistant", "content": "<reasoning>\nSubtract 26 from both sides: 14x = 224. Divide by 14: x = 16.\n</reasoning>\nFinal Answer: 16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 30, 34, and 38." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 30 + 34 + 38 = 102.\n</reasoning>\nFinal Answer: 102" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 736 km apart. Their speeds are 89 km/h and 67 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 89+67=156 km/h. Time = 736/156 = 4.7179 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 39 + 15 * 11 - 44" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 15×11=165, then 39+165-44=160.\n</reasoning>\nFinal Answer: 160" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Increase 704 by 75%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 75%: 704 × (1 + 75/100) = 704 × 1.75 = 1232.0.\n</reasoning>\nFinal Answer: 1232.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Decrease 693 by 30%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 30%: 693 × (1 - 30/100) = 693 × 0.7 = 485.1.\n</reasoning>\nFinal Answer: 485.1" } ]
easy
[ "percentage", "arithmetic" ]