messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Calculate: 85 ÷ -540" }, { "role": "assistant", "content": "<reasoning>\nDivide 85 by -540. 85 ÷ -540 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 30 and height 21." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 30 × 21 = 315.0.\n</reasoning>\nFinal Answer: 315.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 2/2 + 2/11" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 2/2 + 2/11. Common denominator = 11. Result = 13/11.\n</reasoning>\nFinal Answer: 13/11" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "What is 15% of 37?" }, { "role": "assistant", "content": "<reasoning>\n15% of 37 = (15/100) × 37 = 5.55.\n</reasoning>\nFinal Answer: 5.55" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Given A = [1, 3, 9, 12, 13, 16, 19] and B = [1, 5, 6, 9, 10, 17, 18], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [1, 9].\n</reasoning>\nFinal Answer: [1, 9]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: -235 × -789" }, { "role": "assistant", "content": "<reasoning>\nMultiply -235 by -789: -235 × -789 = 185415.\n</reasoning>\nFinal Answer: 185415" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [32, 89, 9, 26, 9, 84]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {32: 1, 89: 1, 9: 2, 26: 1, 84: 1}. Most frequent: 9.\n</reasoning>\nFinal Answer: 9" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "459 is what percentage of 577?" }, { "role": "assistant", "content": "<reasoning>\n(459/577) × 100 = 79.5494%.\n</reasoning>\nFinal Answer: 79.5494%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "What is 60% of 615?" }, { "role": "assistant", "content": "<reasoning>\n60% of 615 = (60/100) × 615 = 369.0.\n</reasoning>\nFinal Answer: 369.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 20x + -35 = -275" }, { "role": "assistant", "content": "<reasoning>\nSubtract -35 from both sides: 20x = -240. Divide by 20: x = -12.\n</reasoning>\nFinal Answer: -12" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 79 and width 44." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 79 × 44 = 3476.\n</reasoning>\nFinal Answer: 3476" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -699 mod -863" }, { "role": "assistant", "content": "<reasoning>\n-699 mod -863: -699 = -863 × 0 + -699, so remainder = -699.\n</reasoning>\nFinal Answer: -699" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 10% of 65?" }, { "role": "assistant", "content": "<reasoning>\n10% of 65 = (10/100) × 65 = 6.5.\n</reasoning>\nFinal Answer: 6.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "201 is what percentage of 235?" }, { "role": "assistant", "content": "<reasoning>\n(201/235) × 100 = 85.5319%.\n</reasoning>\nFinal Answer: 85.5319%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Evaluate using order of operations: (14 + 29) * (6 - 40)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (14+29)=43, (6-40)=-34, then 43×-34=-1462.\n</reasoning>\nFinal Answer: -1462" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 15x + -22 = -232" }, { "role": "assistant", "content": "<reasoning>\nSubtract -22 from both sides: 15x = -210. Divide by 15: x = -14.\n</reasoning>\nFinal Answer: -14" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 26 * 8 + 26 * 28" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 26×8=208 and 26×28=728, then add: 936.\n</reasoning>\nFinal Answer: 936" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 77 and 32." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(77,32) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 39 and common difference 9, find the 20th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 39 + (20-1)×9 = 39 + 171 = 210.\n</reasoning>\nFinal Answer: 210" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the mode of: [8, 45, 29, 16, 91, 27, 29, 82]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {8: 1, 45: 1, 29: 2, 16: 1, 91: 1, 27: 1, 82: 1}. Most frequent: 29.\n</reasoning>\nFinal Answer: 29" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Simplify: 11/10 / 4/17" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/10) ÷ (4/17) = (11/10) × (17/4) = 187/40.\n</reasoning>\nFinal Answer: 187/40" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Increase 252 by 5%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 5%: 252 × (1 + 5/100) = 252 × 1.05 = 264.6.\n</reasoning>\nFinal Answer: 264.6" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "104 is what percentage of 241?" }, { "role": "assistant", "content": "<reasoning>\n(104/241) × 100 = 43.1535%.\n</reasoning>\nFinal Answer: 43.1535%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the range of: [41, 81, 77, 44, 11, 25, 75, 44]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 81 - 11 = 70.\n</reasoning>\nFinal Answer: 70" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "128 is what percentage of 336?" }, { "role": "assistant", "content": "<reasoning>\n(128/336) × 100 = 38.0952%.\n</reasoning>\nFinal Answer: 38.0952%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 13 and width 62." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 13 × 62 = 806.\n</reasoning>\nFinal Answer: 806" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 24x + 29 = -1123" }, { "role": "assistant", "content": "<reasoning>\nSubtract 29 from both sides: 24x = -1152. Divide by 24: x = -48.\n</reasoning>\nFinal Answer: -48" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -375 - -339" }, { "role": "assistant", "content": "<reasoning>\nSubtract -339 from -375: -375 - -339 = -36.\n</reasoning>\nFinal Answer: -36" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹4504 at 13% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 4504 × 13 × 1 / 100 = 585.52.\n</reasoning>\nFinal Answer: 585.52" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 2x + -15 = -67" }, { "role": "assistant", "content": "<reasoning>\nSubtract -15 from both sides: 2x = -52. Divide by 2: x = -26.\n</reasoning>\nFinal Answer: -26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Decrease 226 by 45%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 45%: 226 × (1 - 45/100) = 226 × 0.55 = 124.3.\n</reasoning>\nFinal Answer: 124.3" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 7:40 and A = 88, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 7/40, so B = A × (40/7) = 88 × 40/7 = 502.8571.\n</reasoning>\nFinal Answer: 502.8571" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -41 + 48" }, { "role": "assistant", "content": "<reasoning>\nAdd -41 and 48: -41 + 48 = 7.\n</reasoning>\nFinal Answer: 7" } ]
easy
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 16/10 / 8/11" }, { "role": "assistant", "content": "<reasoning>\nDivide: (16/10) ÷ (8/11) = (16/10) × (11/8) = 11/5.\n</reasoning>\nFinal Answer: 11/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 8/3 / 18/20" }, { "role": "assistant", "content": "<reasoning>\nDivide: (8/3) ÷ (18/20) = (8/3) × (20/18) = 80/27.\n</reasoning>\nFinal Answer: 80/27" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Increase 551 by 65%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 65%: 551 × (1 + 65/100) = 551 × 1.65 = 909.15.\n</reasoning>\nFinal Answer: 909.15" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [57, 3, 64, 64, 61, 38, 72, 89, 97, 10]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 555/10 = 55.5.\n</reasoning>\nFinal Answer: 55.5" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 28x + 25 = -983" }, { "role": "assistant", "content": "<reasoning>\nSubtract 25 from both sides: 28x = -1008. Divide by 28: x = -36.\n</reasoning>\nFinal Answer: -36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 44 + 2 * 37 - 13" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 2×37=74, then 44+74-13=105.\n</reasoning>\nFinal Answer: 105" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "An item costs ₹4715. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4715 × 5/100 = 235.75. Total = 4715 + 235.75 = 4950.75.\n</reasoning>\nFinal Answer: 4950.75" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 13/10 / 8/3" }, { "role": "assistant", "content": "<reasoning>\nDivide: (13/10) ÷ (8/3) = (13/10) × (3/8) = 39/80.\n</reasoning>\nFinal Answer: 39/80" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (4 + 4) * (40 - 20)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (4+4)=8, (40-20)=20, then 8×20=160.\n</reasoning>\nFinal Answer: 160" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 19 and height 20." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 19 × 20 = 380.\n</reasoning>\nFinal Answer: 380" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve: 1x² + (-9)x + (8) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -9² - 4×1×8 = 49. √discriminant = 7. x = (-(-9) ± 7) / (2×1). Solutions: x = 8 or x = 1.\n</reasoning>\nFinal Answer: x = 8 or x = 1" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Increase 518 by 17%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 17%: 518 × (1 + 17/100) = 518 × 1.17 = 606.06.\n</reasoning>\nFinal Answer: 606.06" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Decrease 431 by 100%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 100%: 431 × (1 - 100/100) = 431 × 0.0 = 0.0.\n</reasoning>\nFinal Answer: 0.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Decrease 349 by 75%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 75%: 349 × (1 - 75/100) = 349 × 0.25 = 87.25.\n</reasoning>\nFinal Answer: 87.25" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 635 mod -645" }, { "role": "assistant", "content": "<reasoning>\n635 mod -645: 635 = -645 × -1 + -10, so remainder = -10.\n</reasoning>\nFinal Answer: -10" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (12 + 40) * (6 - 35)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (12+40)=52, (6-35)=-29, then 52×-29=-1508.\n</reasoning>\nFinal Answer: -1508" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -159 - 147" }, { "role": "assistant", "content": "<reasoning>\nSubtract 147 from -159: -159 - 147 = -306.\n</reasoning>\nFinal Answer: -306" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 13 and width 39." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 13 × 39 = 507.\n</reasoning>\nFinal Answer: 507" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 9x + 47 = -358" }, { "role": "assistant", "content": "<reasoning>\nSubtract 47 from both sides: 9x = -405. Divide by 9: x = -45.\n</reasoning>\nFinal Answer: -45" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -76 mod -257" }, { "role": "assistant", "content": "<reasoning>\n-76 mod -257: -76 = -257 × 0 + -76, so remainder = -76.\n</reasoning>\nFinal Answer: -76" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve: 1x² + (5)x + (-36) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 5² - 4×1×-36 = 169. √discriminant = 13. x = (-(5) ± 13) / (2×1). Solutions: x = 4 or x = -9.\n</reasoning>\nFinal Answer: x = 4 or x = -9" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Simplify: 4/4 * 11/9" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (4/4) × (11/9) = (44/36) = 11/9 after simplification.\n</reasoning>\nFinal Answer: 11/9" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 12, 24, and 35." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 12 + 24 + 35 = 71.\n</reasoning>\nFinal Answer: 71" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Calculate: 286 ÷ -971" }, { "role": "assistant", "content": "<reasoning>\nDivide 286 by -971. 286 ÷ -971 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 2/16 * 11/17" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (2/16) × (11/17) = (22/272) = 11/136 after simplification.\n</reasoning>\nFinal Answer: 11/136" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 3x + 11 = 20" }, { "role": "assistant", "content": "<reasoning>\nSubtract 11 from both sides: 3x = 9. Divide by 3: x = 3.\n</reasoning>\nFinal Answer: 3" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the range of: [76, 88, 2, 75, 95, 66, 85]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 95 - 2 = 93.\n</reasoning>\nFinal Answer: 93" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Ravi has 131 apples and buys 38 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 131 + 38 = 169.\n</reasoning>\nFinal Answer: 169" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 15 + 15 ** 2 - 12" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 15²=225, then 15+225-12=228.\n</reasoning>\nFinal Answer: 228" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 11:30 and A = 84, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 11/30, so B = A × (30/11) = 84 × 30/11 = 229.0909.\n</reasoning>\nFinal Answer: 229.0909" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Decrease 271 by 17%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 17%: 271 × (1 - 17/100) = 271 × 0.83 = 224.93.\n</reasoning>\nFinal Answer: 224.93" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "What is 60% of 363?" }, { "role": "assistant", "content": "<reasoning>\n60% of 363 = (60/100) × 363 = 217.8.\n</reasoning>\nFinal Answer: 217.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -763 + 3" }, { "role": "assistant", "content": "<reasoning>\nAdd -763 and 3: -763 + 3 = -760.\n</reasoning>\nFinal Answer: -760" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 30% of 66?" }, { "role": "assistant", "content": "<reasoning>\n30% of 66 = (30/100) × 66 = 19.8.\n</reasoning>\nFinal Answer: 19.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Increase 974 by 3%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 3%: 974 × (1 + 3/100) = 974 × 1.03 = 1003.22.\n</reasoning>\nFinal Answer: 1003.22" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a triangle with base 1 and height 11." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 1 × 11 = 5.5.\n</reasoning>\nFinal Answer: 5.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 144 apples and buys 138 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 144 + 138 = 282.\n</reasoning>\nFinal Answer: 282" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 17x + 15 = 406" }, { "role": "assistant", "content": "<reasoning>\nSubtract 15 from both sides: 17x = 391. Divide by 17: x = 23.\n</reasoning>\nFinal Answer: 23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 15/3 + 4/5" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 15/3 + 4/5. Common denominator = 5. Result = 29/5.\n</reasoning>\nFinal Answer: 29/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 8 + 29 ** 2 - 21" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 29²=841, then 8+841-21=828.\n</reasoning>\nFinal Answer: 828" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 6/13 * 14/8" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (6/13) × (14/8) = (84/104) = 21/26 after simplification.\n</reasoning>\nFinal Answer: 21/26" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "A train travels at 153 km/h. How far does it travel in 11 hours and 50 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 11 + 50/60 = 11.8333 hours. Distance = speed × time = 153 × 11.8333 = 1810.5 km.\n</reasoning>\nFinal Answer: 1810.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 1/6 * 19/15" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (1/6) × (19/15) = (19/90) = 19/90 after simplification.\n</reasoning>\nFinal Answer: 19/90" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 536 - -332" }, { "role": "assistant", "content": "<reasoning>\nSubtract -332 from 536: 536 - -332 = 868.\n</reasoning>\nFinal Answer: 868" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -453 mod 903" }, { "role": "assistant", "content": "<reasoning>\n-453 mod 903: -453 = 903 × -1 + 450, so remainder = 450.\n</reasoning>\nFinal Answer: 450" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 9 and 8." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (9×8)/1 = 72.\n</reasoning>\nFinal Answer: 72" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Solve for x: 29x + 26 = 606" }, { "role": "assistant", "content": "<reasoning>\nSubtract 26 from both sides: 29x = 580. Divide by 29: x = 20.\n</reasoning>\nFinal Answer: 20" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Ravi has 138 apples and buys 115 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 138 + 115 = 253.\n</reasoning>\nFinal Answer: 253" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 494 mod -812" }, { "role": "assistant", "content": "<reasoning>\n494 mod -812: 494 = -812 × -1 + -318, so remainder = -318.\n</reasoning>\nFinal Answer: -318" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 197 - 874" }, { "role": "assistant", "content": "<reasoning>\nSubtract 874 from 197: 197 - 874 = -677.\n</reasoning>\nFinal Answer: -677" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Decrease 995 by 7%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 7%: 995 × (1 - 7/100) = 995 × 0.9299999999999999 = 925.35.\n</reasoning>\nFinal Answer: 925.35" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 16x + 23 = -297" }, { "role": "assistant", "content": "<reasoning>\nSubtract 23 from both sides: 16x = -320. Divide by 16: x = -20.\n</reasoning>\nFinal Answer: -20" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the range of: [30, 18, 79, 77, 85, 78, 10, 57, 42]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 85 - 10 = 75.\n</reasoning>\nFinal Answer: 75" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Decrease 241 by 30%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 30%: 241 × (1 - 30/100) = 241 × 0.7 = 168.7.\n</reasoning>\nFinal Answer: 168.7" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 8, 30 and height 7." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (8+30) × 7 = 133.0.\n</reasoning>\nFinal Answer: 133.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Increase 651 by 3%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 3%: 651 × (1 + 3/100) = 651 × 1.03 = 670.53.\n</reasoning>\nFinal Answer: 670.53" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a triangle with base 81 and height 37." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 81 × 37 = 1498.5.\n</reasoning>\nFinal Answer: 1498.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -398 mod 102" }, { "role": "assistant", "content": "<reasoning>\n-398 mod 102: -398 = 102 × -4 + 10, so remainder = 10.\n</reasoning>\nFinal Answer: 10" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 159 mod 284" }, { "role": "assistant", "content": "<reasoning>\n159 mod 284: 159 = 284 × 0 + 159, so remainder = 159.\n</reasoning>\nFinal Answer: 159" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 29:29 and A = 15, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 29/29, so B = A × (29/29) = 15 × 29/29 = 15.0.\n</reasoning>\nFinal Answer: 15.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "What is 40% of 997?" }, { "role": "assistant", "content": "<reasoning>\n40% of 997 = (40/100) × 997 = 398.8.\n</reasoning>\nFinal Answer: 398.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the range of: [50, 33, 69, 48, 31]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 69 - 31 = 38.\n</reasoning>\nFinal Answer: 38" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 61 and height 61." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 61 × 61 = 3721.\n</reasoning>\nFinal Answer: 3721" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -375 mod 100" }, { "role": "assistant", "content": "<reasoning>\n-375 mod 100: -375 = 100 × -4 + 25, so remainder = 25.\n</reasoning>\nFinal Answer: 25" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (4 + 38) * (36 - 12)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (4+38)=42, (36-12)=24, then 42×24=1008.\n</reasoning>\nFinal Answer: 1008" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 18/6 - 1/15" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 18/6 - 1/15. LCD = 15. Result = 44/15.\n</reasoning>\nFinal Answer: 44/15" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -135 mod 342" }, { "role": "assistant", "content": "<reasoning>\n-135 mod 342: -135 = 342 × -1 + 207, so remainder = 207.\n</reasoning>\nFinal Answer: 207" } ]
medium
[ "arithmetic", "computation" ]