messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Calculate: 680 ÷ -803" }, { "role": "assistant", "content": "<reasoning>\nDivide 680 by -803. 680 ÷ -803 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve: 3x² + (-51)x + (216) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -51² - 4×3×216 = 9. √discriminant = 3. x = (-(-51) ± 3) / (2×3). Solutions: x = 8 or x = 9.\n</reasoning>\nFinal Answer: x = 8 or x = 9" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 18 and 139." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(18,139) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: 699 - 539" }, { "role": "assistant", "content": "<reasoning>\nSubtract 539 from 699: 699 - 539 = 160.\n</reasoning>\nFinal Answer: 160" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 1000 × 885" }, { "role": "assistant", "content": "<reasoning>\nMultiply 1000 by 885: 1000 × 885 = 885000.\n</reasoning>\nFinal Answer: 885000" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 28 - 493" }, { "role": "assistant", "content": "<reasoning>\nSubtract 493 from 28: 28 - 493 = -465.\n</reasoning>\nFinal Answer: -465" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 17x + -32 = -763" }, { "role": "assistant", "content": "<reasoning>\nSubtract -32 from both sides: 17x = -731. Divide by 17: x = -43.\n</reasoning>\nFinal Answer: -43" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 196 and 122." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(196,122) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: -469 - -572" }, { "role": "assistant", "content": "<reasoning>\nSubtract -572 from -469: -469 - -572 = 103.\n</reasoning>\nFinal Answer: 103" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -693 + -274" }, { "role": "assistant", "content": "<reasoning>\nAdd -693 and -274: -693 + -274 = -967.\n</reasoning>\nFinal Answer: -967" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 30x + 21 = 831" }, { "role": "assistant", "content": "<reasoning>\nSubtract 21 from both sides: 30x = 810. Divide by 30: x = 27.\n</reasoning>\nFinal Answer: 27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 12/12 - 3/13" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 12/12 - 3/13. LCD = 13. Result = 10/13.\n</reasoning>\nFinal Answer: 10/13" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the median of: [21, 91, 64, 87, 52, 93, 12, 67, 70, 52]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [12, 21, 52, 52, 64, 67, 70, 87, 91, 93]. Middle value(s) → median = 65.5.\n</reasoning>\nFinal Answer: 65.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹48039 at 10% per annum for 2 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 48039 × 10 × 2 / 100 = 9607.8.\n</reasoning>\nFinal Answer: 9607.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 18 and common difference 10, find the 18th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 18 + (18-1)×10 = 18 + 170 = 188.\n</reasoning>\nFinal Answer: 188" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: -718 ÷ 649" }, { "role": "assistant", "content": "<reasoning>\nDivide -718 by 649. -718 ÷ 649 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 97 and height 69." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 97 × 69 = 3346.5.\n</reasoning>\nFinal Answer: 3346.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 2 and 44." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (2×44)/2 = 44.\n</reasoning>\nFinal Answer: 44" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Evaluate using order of operations: 2 + 49 * 37 - 33" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 49×37=1813, then 2+1813-33=1782.\n</reasoning>\nFinal Answer: 1782" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 15x + 46 = -74" }, { "role": "assistant", "content": "<reasoning>\nSubtract 46 from both sides: 15x = -120. Divide by 15: x = -8.\n</reasoning>\nFinal Answer: -8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 23:36 and A = 24, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 23/36, so B = A × (36/23) = 24 × 36/23 = 37.5652.\n</reasoning>\nFinal Answer: 37.5652" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 50 + 42 ** 2 - 25" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 42²=1764, then 50+1764-25=1789.\n</reasoning>\nFinal Answer: 1789" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "5 workers can complete a job in 17 days. How many days will 4 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 5 × 17 = 85 worker-days. New time = 85 / 4 = 21.25 days.\n</reasoning>\nFinal Answer: 21.25" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mean of: [30, 76, 83, 41, 10, 10, 42]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 292/7 = 41.7143.\n</reasoning>\nFinal Answer: 41.7143" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: 239 mod 107" }, { "role": "assistant", "content": "<reasoning>\n239 mod 107: 239 = 107 × 2 + 25, so remainder = 25.\n</reasoning>\nFinal Answer: 25" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "An item costs ₹1081. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1081 × 12/100 = 129.72. Total = 1081 + 129.72 = 1210.72.\n</reasoning>\nFinal Answer: 1210.72" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -521 + -907" }, { "role": "assistant", "content": "<reasoning>\nAdd -521 and -907: -521 + -907 = -1428.\n</reasoning>\nFinal Answer: -1428" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -292 + -209" }, { "role": "assistant", "content": "<reasoning>\nAdd -292 and -209: -292 + -209 = -501.\n</reasoning>\nFinal Answer: -501" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 17, 36 and height 35." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (17+36) × 35 = 927.5.\n</reasoning>\nFinal Answer: 927.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 684 km apart. Their speeds are 66 km/h and 99 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 66+99=165 km/h. Time = 684/165 = 4.1455 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [2, 5, 8, 9, 11, 12, 13, 14] and B = [8, 12, 14, 18], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [2, 5, 8, 9, 11, 12, 13, 14, 18].\n</reasoning>\nFinal Answer: [2, 5, 8, 9, 11, 1...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 11 and 9." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (11×9)/1 = 99.\n</reasoning>\nFinal Answer: 99" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Solve for x: 4x + 24 = 128" }, { "role": "assistant", "content": "<reasoning>\nSubtract 24 from both sides: 4x = 104. Divide by 4: x = 26.\n</reasoning>\nFinal Answer: 26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 7x + 34 = 34" }, { "role": "assistant", "content": "<reasoning>\nSubtract 34 from both sides: 7x = 0. Divide by 7: x = 0.\n</reasoning>\nFinal Answer: 0" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the median of: [99, 76, 47, 7, 58, 21, 80, 82]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [7, 21, 47, 58, 76, 80, 82, 99]. Middle value(s) → median = 67.0.\n</reasoning>\nFinal Answer: 67.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Simplify: 18/20 + 10/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 18/20 + 10/1. Common denominator = 10. Result = 109/10.\n</reasoning>\nFinal Answer: 109/10" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 2/6 - 5/10" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 2/6 - 5/10. LCD = 6. Result = -1/6.\n</reasoning>\nFinal Answer: -1/6" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (19 + 3) * (26 - 16)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (19+3)=22, (26-16)=10, then 22×10=220.\n</reasoning>\nFinal Answer: 220" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 441 × 94" }, { "role": "assistant", "content": "<reasoning>\nMultiply 441 by 94: 441 × 94 = 41454.\n</reasoning>\nFinal Answer: 41454" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 18x + -46 = -262" }, { "role": "assistant", "content": "<reasoning>\nSubtract -46 from both sides: 18x = -216. Divide by 18: x = -12.\n</reasoning>\nFinal Answer: -12" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 169 mod 615" }, { "role": "assistant", "content": "<reasoning>\n169 mod 615: 169 = 615 × 0 + 169, so remainder = 169.\n</reasoning>\nFinal Answer: 169" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 26x + 44 = -1022" }, { "role": "assistant", "content": "<reasoning>\nSubtract 44 from both sides: 26x = -1066. Divide by 26: x = -41.\n</reasoning>\nFinal Answer: -41" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 94 and 120." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(94,120) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Decrease 949 by 3%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 3%: 949 × (1 - 3/100) = 949 × 0.97 = 920.53.\n</reasoning>\nFinal Answer: 920.53" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 7 and height 53." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 7 × 53 = 371.\n</reasoning>\nFinal Answer: 371" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 12x + -4 = 488" }, { "role": "assistant", "content": "<reasoning>\nSubtract -4 from both sides: 12x = 492. Divide by 12: x = 41.\n</reasoning>\nFinal Answer: 41" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 16x + -17 = -17" }, { "role": "assistant", "content": "<reasoning>\nSubtract -17 from both sides: 16x = 0. Divide by 16: x = 0.\n</reasoning>\nFinal Answer: 0" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 422 + 699" }, { "role": "assistant", "content": "<reasoning>\nAdd 422 and 699: 422 + 699 = 1121.\n</reasoning>\nFinal Answer: 1121" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 17/15 + 20/2" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 17/15 + 20/2. Common denominator = 15. Result = 167/15.\n</reasoning>\nFinal Answer: 167/15" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 42:29 and A = 36, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 42/29, so B = A × (29/42) = 36 × 29/42 = 24.8571.\n</reasoning>\nFinal Answer: 24.8571" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 8:40 and A = 17, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 8/40, so B = A × (40/8) = 17 × 40/8 = 85.0.\n</reasoning>\nFinal Answer: 85.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the mean of: [10, 1, 51, 73, 58, 61, 99, 45, 88, 76]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 562/10 = 56.2.\n</reasoning>\nFinal Answer: 56.2" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -668 - 316" }, { "role": "assistant", "content": "<reasoning>\nSubtract 316 from -668: -668 - 316 = -984.\n</reasoning>\nFinal Answer: -984" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -749 ÷ -334" }, { "role": "assistant", "content": "<reasoning>\nDivide -749 by -334. -749 ÷ -334 = 2 (integer division).\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 57 and height 5." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 57 × 5 = 142.5.\n</reasoning>\nFinal Answer: 142.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Given A = [2, 3, 11, 15, 16] and B = [1, 3, 6, 15, 16, 17], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [2, 11].\n</reasoning>\nFinal Answer: [2, 11]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Decrease 386 by 15%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 15%: 386 × (1 - 15/100) = 386 × 0.85 = 328.1.\n</reasoning>\nFinal Answer: 328.1" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 663 + -838" }, { "role": "assistant", "content": "<reasoning>\nAdd 663 and -838: 663 + -838 = -175.\n</reasoning>\nFinal Answer: -175" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (34 + 44) * (14 - 21)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (34+44)=78, (14-21)=-7, then 78×-7=-546.\n</reasoning>\nFinal Answer: -546" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mode of: [98, 41, 74, 91, 71, 83, 56, 21]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {98: 1, 41: 1, 74: 1, 91: 1, 71: 1, 83: 1, 56: 1, 21: 1}. Most frequent: [98, 41, 74, 91, 71, 83, 56, 21].\n</reasoning>\nFinal Answer: [98, 41,...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Is 6 a prime number? Answer Yes or No." }, { "role": "assistant", "content": "<reasoning>\n6 = 2 × 3, so it is not prime.\n</reasoning>\nFinal Answer: No" } ]
easy
[ "number_theory", "prime" ]
[ { "role": "user", "content": "Simplify: 4/6 / 19/15" }, { "role": "assistant", "content": "<reasoning>\nDivide: (4/6) ÷ (19/15) = (4/6) × (15/19) = 10/19.\n</reasoning>\nFinal Answer: 10/19" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "What is 15% of 258?" }, { "role": "assistant", "content": "<reasoning>\n15% of 258 = (15/100) × 258 = 38.7.\n</reasoning>\nFinal Answer: 38.7" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Given A = [2, 3, 4, 6, 8, 11, 17] and B = [1, 5, 8, 9, 11, 13, 18], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [2, 3, 4, 6, 17].\n</reasoning>\nFinal Answer: [2, 3, 4, 6, 17]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 16/6 + 14/16" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 16/6 + 14/16. Common denominator = 24. Result = 85/24.\n</reasoning>\nFinal Answer: 85/24" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 5x + -15 = 185" }, { "role": "assistant", "content": "<reasoning>\nSubtract -15 from both sides: 5x = 200. Divide by 5: x = 40.\n</reasoning>\nFinal Answer: 40" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 48, 15 and height 11." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (48+15) × 11 = 346.5.\n</reasoning>\nFinal Answer: 346.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 23, 8 and height 30." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (23+8) × 30 = 465.0.\n</reasoning>\nFinal Answer: 465.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mean of: [84, 8, 77, 37, 79, 56, 52, 39, 85, 67]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 584/10 = 58.4.\n</reasoning>\nFinal Answer: 58.4" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the mode of: [59, 10, 89, 89, 59, 97, 51]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {59: 2, 10: 1, 89: 2, 97: 1, 51: 1}. Most frequent: [59, 89].\n</reasoning>\nFinal Answer: [59, 89]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Given A = [2, 7, 8, 10, 12, 13, 14, 16] and B = [1, 3, 5, 10, 11, 15], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 2, 3, 5, 7, 8, 10, 11, 12, 13, 14, 15, 16].\n</reasoning>\nFinal Answe...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Solve for x: 24x + -31 = -991" }, { "role": "assistant", "content": "<reasoning>\nSubtract -31 from both sides: 24x = -960. Divide by 24: x = -40.\n</reasoning>\nFinal Answer: -40" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -776 ÷ -276" }, { "role": "assistant", "content": "<reasoning>\nDivide -776 by -276. -776 ÷ -276 = 2 (integer division).\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [15, 87, 79, 82, 75]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 87 - 15 = 72.\n</reasoning>\nFinal Answer: 72" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Given A = [1, 2, 5, 7, 19] and B = [5, 7, 12, 14, 16], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [5, 7].\n</reasoning>\nFinal Answer: [5, 7]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 403 - 632" }, { "role": "assistant", "content": "<reasoning>\nSubtract 632 from 403: 403 - 632 = -229.\n</reasoning>\nFinal Answer: -229" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -55 - 242" }, { "role": "assistant", "content": "<reasoning>\nSubtract 242 from -55: -55 - 242 = -297.\n</reasoning>\nFinal Answer: -297" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -399 ÷ -446" }, { "role": "assistant", "content": "<reasoning>\nDivide -399 by -446. -399 ÷ -446 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 44 mod -581" }, { "role": "assistant", "content": "<reasoning>\n44 mod -581: 44 = -581 × -1 + -537, so remainder = -537.\n</reasoning>\nFinal Answer: -537" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 593 - 404" }, { "role": "assistant", "content": "<reasoning>\nSubtract 404 from 593: 593 - 404 = 189.\n</reasoning>\nFinal Answer: 189" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 45:1 and A = 27, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 45/1, so B = A × (1/45) = 27 × 1/45 = 0.6.\n</reasoning>\nFinal Answer: 0.6" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 42 + 9 ** 2 - 24" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 9²=81, then 42+81-24=99.\n</reasoning>\nFinal Answer: 99" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 45, 50 and height 21." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (45+50) × 21 = 997.5.\n</reasoning>\nFinal Answer: 997.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "What is 60% of 898?" }, { "role": "assistant", "content": "<reasoning>\n60% of 898 = (60/100) × 898 = 538.8.\n</reasoning>\nFinal Answer: 538.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 80 and width 86." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(80+86) = 2×166 = 332.\n</reasoning>\nFinal Answer: 332" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the mode of: [28, 73, 60, 73, 33, 94, 41, 90, 33]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {28: 1, 73: 2, 60: 1, 33: 2, 94: 1, 41: 1, 90: 1}. Most frequent: [73, 33].\n</reasoning>\nFinal Answer: [73, 33]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Increase 252 by 70%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 70%: 252 × (1 + 70/100) = 252 × 1.7 = 428.4.\n</reasoning>\nFinal Answer: 428.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 29 + 36 * 43 - 24" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 36×43=1548, then 29+1548-24=1553.\n</reasoning>\nFinal Answer: 1553" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 189 km/h. How far does it travel in 6 hours and 18 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 6 + 18/60 = 6.3000 hours. Distance = speed × time = 189 × 6.3000 = 1190.7 km.\n</reasoning>\nFinal Answer: 1190.7" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -827 × -65" }, { "role": "assistant", "content": "<reasoning>\nMultiply -827 by -65: -827 × -65 = 53755.\n</reasoning>\nFinal Answer: 53755" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 12x + 42 = 642" }, { "role": "assistant", "content": "<reasoning>\nSubtract 42 from both sides: 12x = 600. Divide by 12: x = 50.\n</reasoning>\nFinal Answer: 50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -138 + -438" }, { "role": "assistant", "content": "<reasoning>\nAdd -138 and -438: -138 + -438 = -576.\n</reasoning>\nFinal Answer: -576" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 971 km apart. Their speeds are 119 km/h and 110 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 119+110=229 km/h. Time = 971/229 = 4.2402 hours.\n</reasoning>\nFinal An...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 3:19 and A = 69, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 3/19, so B = A × (19/3) = 69 × 19/3 = 437.0.\n</reasoning>\nFinal Answer: 437.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 88 + -484" }, { "role": "assistant", "content": "<reasoning>\nAdd 88 and -484: 88 + -484 = -396.\n</reasoning>\nFinal Answer: -396" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 19, 40 and height 23." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (19+40) × 23 = 678.5.\n</reasoning>\nFinal Answer: 678.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 39 and width 80." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(39+80) = 2×119 = 238.\n</reasoning>\nFinal Answer: 238" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve for x: 2x + -18 = -40" }, { "role": "assistant", "content": "<reasoning>\nSubtract -18 from both sides: 2x = -22. Divide by 2: x = -11.\n</reasoning>\nFinal Answer: -11" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (9 + 31) * (9 - 24)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (9+31)=40, (9-24)=-15, then 40×-15=-600.\n</reasoning>\nFinal Answer: -600" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mode of: [89, 94, 82, 51, 27, 61, 75, 72, 90]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {89: 1, 94: 1, 82: 1, 51: 1, 27: 1, 61: 1, 75: 1, 72: 1, 90: 1}. Most frequent: [89, 94, 82, 51, 27, 61, 75, 72, 90].\n</reasoning>\nFinal A...
easy
[ "statistics", "mode" ]