messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the mean of: [90, 22, 4, 99, 96, 98, 71]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 480/7 = 68.5714.\n</reasoning>\nFinal Answer: 68.5714" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 359 km apart. Their speeds are 112 km/h and 41 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 112+41=153 km/h. Time = 359/153 = 2.3464 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve: 5x² + (20)x + (-160) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 20² - 4×5×-160 = 3600. √discriminant = 60. x = (-(20) ± 60) / (2×5). Solutions: x = -8 or x = 4.\n</reasoning>\nFinal Answer: x = -8 or x = 4"...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "If the ratio of A to B is 36:13 and A = 49, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 36/13, so B = A × (13/36) = 49 × 13/36 = 17.6944.\n</reasoning>\nFinal Answer: 17.6944" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 882 - 903" }, { "role": "assistant", "content": "<reasoning>\nSubtract 903 from 882: 882 - 903 = -21.\n</reasoning>\nFinal Answer: -21" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 537 mod 340" }, { "role": "assistant", "content": "<reasoning>\n537 mod 340: 537 = 340 × 1 + 197, so remainder = 197.\n</reasoning>\nFinal Answer: 197" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 401 + 987" }, { "role": "assistant", "content": "<reasoning>\nAdd 401 and 987: 401 + 987 = 1388.\n</reasoning>\nFinal Answer: 1388" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [34, 48, 31, 57, 98]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 268/5 = 53.6.\n</reasoning>\nFinal Answer: 53.6" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -53 mod 774" }, { "role": "assistant", "content": "<reasoning>\n-53 mod 774: -53 = 774 × -1 + 721, so remainder = 721.\n</reasoning>\nFinal Answer: 721" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 204 by 5%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 5%: 204 × (1 + 5/100) = 204 × 1.05 = 214.2.\n</reasoning>\nFinal Answer: 214.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -598 - -537" }, { "role": "assistant", "content": "<reasoning>\nSubtract -537 from -598: -598 - -537 = -61.\n</reasoning>\nFinal Answer: -61" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [78, 66, 56, 93, 33, 39, 43, 90, 2, 39]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {78: 1, 66: 1, 56: 1, 93: 1, 33: 1, 39: 2, 43: 1, 90: 1, 2: 1}. Most frequent: 39.\n</reasoning>\nFinal Answer: 39" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Solve for x: 30x + 35 = -235" }, { "role": "assistant", "content": "<reasoning>\nSubtract 35 from both sides: 30x = -270. Divide by 30: x = -9.\n</reasoning>\nFinal Answer: -9" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 2x + -36 = -62" }, { "role": "assistant", "content": "<reasoning>\nSubtract -36 from both sides: 2x = -26. Divide by 2: x = -13.\n</reasoning>\nFinal Answer: -13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 41 and 4." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (41×4)/1 = 164.\n</reasoning>\nFinal Answer: 164" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "A train travels at 102 km/h. How far does it travel in 2 hours and 40 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 2 + 40/60 = 2.6667 hours. Distance = speed × time = 102 × 2.6667 = 272.0 km.\n</reasoning>\nFinal Answer: 272.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [1, 4, 8, 13, 15, 16, 18, 19] and B = [1, 6, 9, 12, 16], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [1, 16].\n</reasoning>\nFinal Answer: [1, 16]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the mean of: [58, 86, 38, 87, 77, 11]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 357/6 = 59.5.\n</reasoning>\nFinal Answer: 59.5" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 859 km apart. Their speeds are 53 km/h and 78 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 53+78=131 km/h. Time = 859/131 = 6.5573 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mean of: [20, 70, 62, 89, 29, 3]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 273/6 = 45.5.\n</reasoning>\nFinal Answer: 45.5" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 78 and width 29." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(78+29) = 2×107 = 214.\n</reasoning>\nFinal Answer: 214" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Decrease 181 by 7%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 7%: 181 × (1 - 7/100) = 181 × 0.9299999999999999 = 168.33.\n</reasoning>\nFinal Answer: 168.33" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 899 km apart. Their speeds are 83 km/h and 108 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 83+108=191 km/h. Time = 899/191 = 4.7068 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [1, 5, 13, 15] and B = [7, 11, 13, 14, 15, 16, 17, 19], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [13, 15].\n</reasoning>\nFinal Answer: [13, 15]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "If the ratio of A to B is 20:48 and A = 17, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 20/48, so B = A × (48/20) = 17 × 48/20 = 40.8.\n</reasoning>\nFinal Answer: 40.8" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 345 km apart. Their speeds are 112 km/h and 118 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 112+118=230 km/h. Time = 345/230 = 1.5 hours.\n</reasoning>\nFinal Answe...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve: 2x² + (-12)x + (0) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -12² - 4×2×0 = 144. √discriminant = 12. x = (-(-12) ± 12) / (2×2). Solutions: x = 0 or x = 6.\n</reasoning>\nFinal Answer: x = 0 or x = 6" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Given A = [1, 3, 13, 17] and B = [2, 5, 9, 10, 15, 17], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [1, 2, 3, 5, 9, 10, 13, 15].\n</reasoning>\nFinal Answer:...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 5/4 * 18/8" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (5/4) × (18/8) = (90/32) = 45/16 after simplification.\n</reasoning>\nFinal Answer: 45/16" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [17, 14, 76, 25, 54, 91, 93]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {17: 1, 14: 1, 76: 1, 25: 1, 54: 1, 91: 1, 93: 1}. Most frequent: [17, 14, 76, 25, 54, 91, 93].\n</reasoning>\nFinal Answer: [17, 14, 76, 25, 54, 91...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: 567 × 922" }, { "role": "assistant", "content": "<reasoning>\nMultiply 567 by 922: 567 × 922 = 522774.\n</reasoning>\nFinal Answer: 522774" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [13, 5, 39, 44, 85, 66, 61, 56, 79]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 85 - 5 = 80.\n</reasoning>\nFinal Answer: 80" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the median of: [66, 54, 32, 45, 66, 35, 66, 45, 43]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [32, 35, 43, 45, 45, 54, 66, 66, 66]. Middle value(s) → median = 45.\n</reasoning>\nFinal Answer: 45" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Solve: 4x² + (-44)x + (96) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -44² - 4×4×96 = 400. √discriminant = 20. x = (-(-44) ± 20) / (2×4). Solutions: x = 3 or x = 8.\n</reasoning>\nFinal Answer: x = 3 or x = 8" }...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Given A = [1, 13, 14, 15] and B = [1, 2, 4, 11, 13], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [1, 13].\n</reasoning>\nFinal Answer: [1, 13]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: -277 mod 379" }, { "role": "assistant", "content": "<reasoning>\n-277 mod 379: -277 = 379 × -1 + 102, so remainder = 102.\n</reasoning>\nFinal Answer: 102" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [99, 29, 91, 66, 39, 57, 16, 88, 31]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 99 - 16 = 83.\n</reasoning>\nFinal Answer: 83" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Evaluate using order of operations: 1 * 28 + 34 * 3" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 1×28=28 and 34×3=102, then add: 130.\n</reasoning>\nFinal Answer: 130" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: 6 + 9 ** 2 - 3" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 9²=81, then 6+81-3=84.\n</reasoning>\nFinal Answer: 84" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 26x + -37 = 899" }, { "role": "assistant", "content": "<reasoning>\nSubtract -37 from both sides: 26x = 936. Divide by 26: x = 36.\n</reasoning>\nFinal Answer: 36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 21 * 27 + 24 * 15" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 21×27=567 and 24×15=360, then add: 927.\n</reasoning>\nFinal Answer: 927" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 48:10 and A = 61, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 48/10, so B = A × (10/48) = 61 × 10/48 = 12.7083.\n</reasoning>\nFinal Answer: 12.7083" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -542 × -205" }, { "role": "assistant", "content": "<reasoning>\nMultiply -542 by -205: -542 × -205 = 111110.\n</reasoning>\nFinal Answer: 111110" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 10/8 - 3/6" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 10/8 - 3/6. LCD = 4. Result = 3/4.\n</reasoning>\nFinal Answer: 3/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -989 ÷ 327" }, { "role": "assistant", "content": "<reasoning>\nDivide -989 by 327. -989 ÷ 327 = -4 (integer division).\n</reasoning>\nFinal Answer: -4" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 30x + 19 = -761" }, { "role": "assistant", "content": "<reasoning>\nSubtract 19 from both sides: 30x = -780. Divide by 30: x = -26.\n</reasoning>\nFinal Answer: -26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 7:25 and A = 12, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 7/25, so B = A × (25/7) = 12 × 25/7 = 42.8571.\n</reasoning>\nFinal Answer: 42.8571" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Given A = [2, 3, 8, 9, 13, 14, 15, 16] and B = [3, 7, 12, 15, 16, 19], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [2, 8, 9, 13, 14].\n</reasoning>\nFinal Answer: [2, 8, 9, 13, 14]" }...
medium
[ "set_theory" ]
[ { "role": "user", "content": "14 workers can complete a job in 13 days. How many days will 9 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 14 × 13 = 182 worker-days. New time = 182 / 9 = 20.2222 days.\n</reasoning>\nFinal Answer: 20.2222" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 710 + -762" }, { "role": "assistant", "content": "<reasoning>\nAdd 710 and -762: 710 + -762 = -52.\n</reasoning>\nFinal Answer: -52" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [73, 30, 69, 39, 28, 52, 80, 54]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 425/8 = 53.125.\n</reasoning>\nFinal Answer: 53.125" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 47 and common difference 6, find the 17th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 47 + (17-1)×6 = 47 + 96 = 143.\n</reasoning>\nFinal Answer: 143" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Evaluate: 2^4" }, { "role": "assistant", "content": "<reasoning>\n2^4 = 2 × 2 × 2 × 2 = 16.\n</reasoning>\nFinal Answer: 16" } ]
easy
[ "exponents" ]
[ { "role": "user", "content": "Given A = [8, 10, 11, 13] and B = [2, 9, 11, 13, 14, 15, 18, 19], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [2, 8, 9, 10, 11, 13, 14, 15, 18, 19].\n</reasoning>\nFinal Answer: [2, 8, 9, 1...
medium
[ "set_theory" ]
[ { "role": "user", "content": "175 is what percentage of 377?" }, { "role": "assistant", "content": "<reasoning>\n(175/377) × 100 = 46.4191%.\n</reasoning>\nFinal Answer: 46.4191%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Evaluate using order of operations: 21 + 45 ** 2 - 43" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 45²=2025, then 21+2025-43=2003.\n</reasoning>\nFinal Answer: 2003" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mean of: [24, 30, 94, 45, 87]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 280/5 = 56.0.\n</reasoning>\nFinal Answer: 56.0" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 6x + 14 = 272" }, { "role": "assistant", "content": "<reasoning>\nSubtract 14 from both sides: 6x = 258. Divide by 6: x = 43.\n</reasoning>\nFinal Answer: 43" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the range of: [69, 54, 42, 59, 32, 39, 97, 33, 35]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 97 - 32 = 65.\n</reasoning>\nFinal Answer: 65" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "116 is what percentage of 630?" }, { "role": "assistant", "content": "<reasoning>\n(116/630) × 100 = 18.4127%.\n</reasoning>\nFinal Answer: 18.4127%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the next term in the sequence: [32, 36, 40, 44, 48]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 32 and common difference 4. Next term = 48 + 4 = 52.\n</reasoning>\nFinal Answer: 52" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 2x + 28 = -14" }, { "role": "assistant", "content": "<reasoning>\nSubtract 28 from both sides: 2x = -42. Divide by 2: x = -21.\n</reasoning>\nFinal Answer: -21" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 14 + 27 * 30 - 48" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 27×30=810, then 14+810-48=776.\n</reasoning>\nFinal Answer: 776" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 130 and 111." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(130,111) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: -270 + -776" }, { "role": "assistant", "content": "<reasoning>\nAdd -270 and -776: -270 + -776 = -1046.\n</reasoning>\nFinal Answer: -1046" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 326 ÷ 975" }, { "role": "assistant", "content": "<reasoning>\nDivide 326 by 975. 326 ÷ 975 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 145 and 113." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(145,113) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Increase 165 by 75%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 75%: 165 × (1 + 75/100) = 165 × 1.75 = 288.75.\n</reasoning>\nFinal Answer: 288.75" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "What is 90% of 545?" }, { "role": "assistant", "content": "<reasoning>\n90% of 545 = (90/100) × 545 = 490.5.\n</reasoning>\nFinal Answer: 490.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 39 and width 87." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(39+87) = 2×126 = 252.\n</reasoning>\nFinal Answer: 252" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Evaluate using order of operations: 3 + 42 * 12 - 47" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 42×12=504, then 3+504-47=460.\n</reasoning>\nFinal Answer: 460" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 4/11 / 3/5" }, { "role": "assistant", "content": "<reasoning>\nDivide: (4/11) ÷ (3/5) = (4/11) × (5/3) = 20/33.\n</reasoning>\nFinal Answer: 20/33" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [80, 60, 61, 6, 3, 85, 60, 80, 23, 64]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {80: 2, 60: 2, 61: 1, 6: 1, 3: 1, 85: 1, 23: 1, 64: 1}. Most frequent: [80, 60].\n</reasoning>\nFinal Answer: [80, 60]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the median of: [87, 81, 13, 59, 59]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [13, 59, 59, 81, 87]. Middle value(s) → median = 59.\n</reasoning>\nFinal Answer: 59" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Increase 730 by 80%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 80%: 730 × (1 + 80/100) = 730 × 1.8 = 1314.0.\n</reasoning>\nFinal Answer: 1314.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹861. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 861 × 5/100 = 43.05. Total = 861 + 43.05 = 904.05.\n</reasoning>\nFinal Answer: 904.05" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 940 - 233" }, { "role": "assistant", "content": "<reasoning>\nSubtract 233 from 940: 940 - 233 = 707.\n</reasoning>\nFinal Answer: 707" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 37 and common difference 8, find the 34th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 37 + (34-1)×8 = 37 + 264 = 301.\n</reasoning>\nFinal Answer: 301" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 286 + 881" }, { "role": "assistant", "content": "<reasoning>\nAdd 286 and 881: 286 + 881 = 1167.\n</reasoning>\nFinal Answer: 1167" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 60% of 917?" }, { "role": "assistant", "content": "<reasoning>\n60% of 917 = (60/100) × 917 = 550.2.\n</reasoning>\nFinal Answer: 550.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 26 + 50 ** 2 - 17" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 50²=2500, then 26+2500-17=2509.\n</reasoning>\nFinal Answer: 2509" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mode of: [78, 74, 38, 88, 44, 63, 27, 8, 45, 61]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {78: 1, 74: 1, 38: 1, 88: 1, 44: 1, 63: 1, 27: 1, 8: 1, 45: 1, 61: 1}. Most frequent: [78, 74, 38, 88, 44, 63, 27, 8, 45, 61].\n</reasoni...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Solve for x: 12x + 36 = 228" }, { "role": "assistant", "content": "<reasoning>\nSubtract 36 from both sides: 12x = 192. Divide by 12: x = 16.\n</reasoning>\nFinal Answer: 16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 39:33 and A = 93, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 39/33, so B = A × (33/39) = 93 × 33/39 = 78.6923.\n</reasoning>\nFinal Answer: 78.6923" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "What is 12% of 609?" }, { "role": "assistant", "content": "<reasoning>\n12% of 609 = (12/100) × 609 = 73.08.\n</reasoning>\nFinal Answer: 73.08" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 29x + 14 = 710" }, { "role": "assistant", "content": "<reasoning>\nSubtract 14 from both sides: 29x = 696. Divide by 29: x = 24.\n</reasoning>\nFinal Answer: 24" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -493 × 703" }, { "role": "assistant", "content": "<reasoning>\nMultiply -493 by 703: -493 × 703 = -346579.\n</reasoning>\nFinal Answer: -346579" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 48:9 and A = 62, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 48/9, so B = A × (9/48) = 62 × 9/48 = 11.625.\n</reasoning>\nFinal Answer: 11.625" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Given A = [1, 5, 6, 9, 17] and B = [1, 4, 14, 17], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [5, 6, 9].\n</reasoning>\nFinal Answer: [5, 6, 9]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Solve for x: 1x + 7 = -1" }, { "role": "assistant", "content": "<reasoning>\nSubtract 7 from both sides: 1x = -8. Divide by 1: x = -8.\n</reasoning>\nFinal Answer: -8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 182 and 40." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(182,40) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 63 and width 66." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 63 × 66 = 4158.\n</reasoning>\nFinal Answer: 4158" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 25x + 15 = 690" }, { "role": "assistant", "content": "<reasoning>\nSubtract 15 from both sides: 25x = 675. Divide by 25: x = 27.\n</reasoning>\nFinal Answer: 27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 19/1 / 17/14" }, { "role": "assistant", "content": "<reasoning>\nDivide: (19/1) ÷ (17/14) = (19/1) × (14/17) = 266/17.\n</reasoning>\nFinal Answer: 266/17" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Given A = [1, 11, 15, 19] and B = [4, 7, 10, 15, 16], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [1, 11, 19].\n</reasoning>\nFinal Answer: [1, 11, 19]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 12/14 + 20/5" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 12/14 + 20/5. Common denominator = 7. Result = 34/7.\n</reasoning>\nFinal Answer: 34/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 12:45 and A = 49, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 12/45, so B = A × (45/12) = 49 × 45/12 = 183.75.\n</reasoning>\nFinal Answer: 183.75" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: (1 + 32) * (6 - 1)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (1+32)=33, (6-1)=5, then 33×5=165.\n</reasoning>\nFinal Answer: 165" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: 17 + 20 ** 2 - 44" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 20²=400, then 17+400-44=373.\n</reasoning>\nFinal Answer: 373" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹9646 at 9% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 9646 × 9 × 1 / 100 = 868.14.\n</reasoning>\nFinal Answer: 868.14" } ]
medium
[ "word_problem", "applied_math" ]