messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the median of: [6, 59, 15, 95, 52, 62]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [6, 15, 52, 59, 62, 95]. Middle value(s) → median = 55.5.\n</reasoning>\nFinal Answer: 55.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Solve for x: 6x + -42 = 186" }, { "role": "assistant", "content": "<reasoning>\nSubtract -42 from both sides: 6x = 228. Divide by 6: x = 38.\n</reasoning>\nFinal Answer: 38" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 850 + -326" }, { "role": "assistant", "content": "<reasoning>\nAdd 850 and -326: 850 + -326 = 524.\n</reasoning>\nFinal Answer: 524" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -187 + -218" }, { "role": "assistant", "content": "<reasoning>\nAdd -187 and -218: -187 + -218 = -405.\n</reasoning>\nFinal Answer: -405" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 12 and width 42." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(12+42) = 2×54 = 108.\n</reasoning>\nFinal Answer: 108" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the range of: [28, 28, 38, 84, 21, 51]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 84 - 21 = 63.\n</reasoning>\nFinal Answer: 63" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Evaluate using order of operations: (18 + 19) * (33 - 44)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (18+19)=37, (33-44)=-11, then 37×-11=-407.\n</reasoning>\nFinal Answer: -407" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 20x + -35 = 465" }, { "role": "assistant", "content": "<reasoning>\nSubtract -35 from both sides: 20x = 500. Divide by 20: x = 25.\n</reasoning>\nFinal Answer: 25" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 27 * 15 + 7 * 2" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 27×15=405 and 7×2=14, then add: 419.\n</reasoning>\nFinal Answer: 419" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: 49 + 34 * 32 - 44" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 34×32=1088, then 49+1088-44=1093.\n</reasoning>\nFinal Answer: 1093" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 39 and height 3." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 39 × 3 = 117.\n</reasoning>\nFinal Answer: 117" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Decrease 525 by 12%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 12%: 525 × (1 - 12/100) = 525 × 0.88 = 462.0.\n</reasoning>\nFinal Answer: 462.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "10 workers can complete a job in 22 days. How many days will 17 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 10 × 22 = 220 worker-days. New time = 220 / 17 = 12.9412 days.\n</reasoning>\nFinal Answer: 12.9412" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "What is 70% of 753?" }, { "role": "assistant", "content": "<reasoning>\n70% of 753 = (70/100) × 753 = 527.1.\n</reasoning>\nFinal Answer: 527.1" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 20/18 / 7/6" }, { "role": "assistant", "content": "<reasoning>\nDivide: (20/18) ÷ (7/6) = (20/18) × (6/7) = 20/21.\n</reasoning>\nFinal Answer: 20/21" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 14 and width 91." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 14 × 91 = 1274.\n</reasoning>\nFinal Answer: 1274" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mean of: [37, 45, 49, 1, 77, 40]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 249/6 = 41.5.\n</reasoning>\nFinal Answer: 41.5" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 71 and height 89." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 71 × 89 = 6319.\n</reasoning>\nFinal Answer: 6319" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 26x + 10 = 192" }, { "role": "assistant", "content": "<reasoning>\nSubtract 10 from both sides: 26x = 182. Divide by 26: x = 7.\n</reasoning>\nFinal Answer: 7" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Ravi has 186 apples and buys 49 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 186 + 49 = 235.\n</reasoning>\nFinal Answer: 235" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mode of: [97, 54, 46, 92, 28, 78]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {97: 1, 54: 1, 46: 1, 92: 1, 28: 1, 78: 1}. Most frequent: [97, 54, 46, 92, 28, 78].\n</reasoning>\nFinal Answer: [97, 54, 46, 92, 28, 78]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Simplify: 20/5 * 20/13" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (20/5) × (20/13) = (400/65) = 80/13 after simplification.\n</reasoning>\nFinal Answer: 80/13" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 29 and common difference 9, find the 24th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 29 + (24-1)×9 = 29 + 207 = 236.\n</reasoning>\nFinal Answer: 236" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the prime factorization of 315." }, { "role": "assistant", "content": "<reasoning>\nDivide 315 by smallest primes repeatedly: 315 = 3 × 3 × 5 × 7.\n</reasoning>\nFinal Answer: 3 × 3 × 5 × 7" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Evaluate using order of operations: 35 + 12 ** 2 - 47" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 12²=144, then 35+144-47=132.\n</reasoning>\nFinal Answer: 132" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 165 and 183." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(165,183) = 3.\n</reasoning>\nFinal Answer: 3" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: -308 mod 161" }, { "role": "assistant", "content": "<reasoning>\n-308 mod 161: -308 = 161 × -2 + 14, so remainder = 14.\n</reasoning>\nFinal Answer: 14" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 20/5 * 18/5" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (20/5) × (18/5) = (360/25) = 72/5 after simplification.\n</reasoning>\nFinal Answer: 72/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [4, 43, 27, 95, 98, 32]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 299/6 = 49.8333.\n</reasoning>\nFinal Answer: 49.8333" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -276 ÷ 755" }, { "role": "assistant", "content": "<reasoning>\nDivide -276 by 755. -276 ÷ 755 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 6/12 - 11/9" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 6/12 - 11/9. LCD = 18. Result = -13/18.\n</reasoning>\nFinal Answer: -13/18" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Decrease 838 by 100%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 100%: 838 × (1 - 100/100) = 838 × 0.0 = 0.0.\n</reasoning>\nFinal Answer: 0.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "6 workers can complete a job in 13 days. How many days will 9 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 6 × 13 = 78 worker-days. New time = 78 / 9 = 8.6667 days.\n</reasoning>\nFinal Answer: 8.6667" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: (2 + 7) * (23 - 39)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (2+7)=9, (23-39)=-16, then 9×-16=-144.\n</reasoning>\nFinal Answer: -144" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Is 89 a prime number? Answer Yes or No." }, { "role": "assistant", "content": "<reasoning>\n89 has no divisors other than 1 and itself, so it is prime.\n</reasoning>\nFinal Answer: Yes" } ]
easy
[ "number_theory", "prime" ]
[ { "role": "user", "content": "Given A = [1, 4, 12, 19] and B = [4, 8, 15, 19], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [4, 19].\n</reasoning>\nFinal Answer: [4, 19]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 65 and width 82." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(65+82) = 2×147 = 294.\n</reasoning>\nFinal Answer: 294" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the area of a triangle with base 28 and height 78." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 28 × 78 = 1092.0.\n</reasoning>\nFinal Answer: 1092.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "A bag has 5 red and 2 blue balls. What is the probability of drawing a blue ball?" }, { "role": "assistant", "content": "<reasoning>\nP(blue) = 2/7 = 0.2857.\n</reasoning>\nFinal Answer: 0.2857" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "Solve for x: 4x + 45 = 121" }, { "role": "assistant", "content": "<reasoning>\nSubtract 45 from both sides: 4x = 76. Divide by 4: x = 19.\n</reasoning>\nFinal Answer: 19" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 266 mod -756" }, { "role": "assistant", "content": "<reasoning>\n266 mod -756: 266 = -756 × -1 + -490, so remainder = -490.\n</reasoning>\nFinal Answer: -490" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 22:35 and A = 88, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 22/35, so B = A × (35/22) = 88 × 35/22 = 140.0.\n</reasoning>\nFinal Answer: 140.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 79 and height 94." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 79 × 94 = 7426.\n</reasoning>\nFinal Answer: 7426" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 30x + 4 = -956" }, { "role": "assistant", "content": "<reasoning>\nSubtract 4 from both sides: 30x = -960. Divide by 30: x = -32.\n</reasoning>\nFinal Answer: -32" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 50, 50 and height 49." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (50+50) × 49 = 2450.0.\n</reasoning>\nFinal Answer: 2450.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: (27 + 17) * (2 - 48)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (27+17)=44, (2-48)=-46, then 44×-46=-2024.\n</reasoning>\nFinal Answer: -2024" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 41 and width 25." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(41+25) = 2×66 = 132.\n</reasoning>\nFinal Answer: 132" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Ravi has 2 apples and buys 146 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 2 + 146 = 148.\n</reasoning>\nFinal Answer: 148" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -51 mod -867" }, { "role": "assistant", "content": "<reasoning>\n-51 mod -867: -51 = -867 × 0 + -51, so remainder = -51.\n</reasoning>\nFinal Answer: -51" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [7, 8, 11, 17, 18, 19] and B = [6, 11, 12, 14], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [6, 7, 8, 11, 12, 14, 17, 18, 19].\n</reasoning>\nFinal Answer: [6, 7, 8, 11, 12, 14, 1...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the area of a triangle with base 63 and height 2." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 63 × 2 = 63.0.\n</reasoning>\nFinal Answer: 63.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: (26 + 15) * (7 - 5)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (26+15)=41, (7-5)=2, then 41×2=82.\n</reasoning>\nFinal Answer: 82" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "780 is what percentage of 911?" }, { "role": "assistant", "content": "<reasoning>\n(780/911) × 100 = 85.6202%.\n</reasoning>\nFinal Answer: 85.6202%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the mode of: [34, 71, 1, 59, 86]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {34: 1, 71: 1, 1: 1, 59: 1, 86: 1}. Most frequent: [34, 71, 1, 59, 86].\n</reasoning>\nFinal Answer: [34, 71, 1, 59, 86]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Evaluate using order of operations: (12 + 3) * (25 - 41)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (12+3)=15, (25-41)=-16, then 15×-16=-240.\n</reasoning>\nFinal Answer: -240" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the median of: [21, 72, 97, 41, 41, 11]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [11, 21, 41, 41, 72, 97]. Middle value(s) → median = 41.0.\n</reasoning>\nFinal Answer: 41.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "An item costs ₹3385. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3385 × 18/100 = 609.3. Total = 3385 + 609.3 = 3994.3.\n</reasoning>\nFinal Answer: 3994.3" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 16, 21, and 22." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 16 + 21 + 22 = 59.\n</reasoning>\nFinal Answer: 59" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the range of: [46, 48, 88, 90, 59, 64, 68]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 90 - 46 = 44.\n</reasoning>\nFinal Answer: 44" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "If the ratio of A to B is 16:46 and A = 15, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 16/46, so B = A × (46/16) = 15 × 46/16 = 43.125.\n</reasoning>\nFinal Answer: 43.125" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 17 + 39 * 50 - 19" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 39×50=1950, then 17+1950-19=1948.\n</reasoning>\nFinal Answer: 1948" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 7/19 - 10/3" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 7/19 - 10/3. LCD = 57. Result = -169/57.\n</reasoning>\nFinal Answer: -169/57" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "What is 12% of 61?" }, { "role": "assistant", "content": "<reasoning>\n12% of 61 = (12/100) × 61 = 7.32.\n</reasoning>\nFinal Answer: 7.32" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 60 and width 62." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(60+62) = 2×122 = 244.\n</reasoning>\nFinal Answer: 244" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Given A = [1, 5, 7, 9, 11, 13, 14, 18] and B = [3, 9, 17, 18, 19], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [9, 18].\n</reasoning>\nFinal Answer: [9, 18]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the area of a triangle with base 33 and height 37." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 33 × 37 = 610.5.\n</reasoning>\nFinal Answer: 610.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 16, 20, and 32." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 16 + 20 + 32 = 68.\n</reasoning>\nFinal Answer: 68" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Given A = [2, 4, 5, 13, 14] and B = [9, 12, 16], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [2, 4, 5, 9, 12, 13, 14, 16].\n</reasoning>\nFinal Answer: [2, 4...
medium
[ "set_theory" ]
[ { "role": "user", "content": "16 workers can complete a job in 21 days. How many days will 14 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 16 × 21 = 336 worker-days. New time = 336 / 14 = 24.0 days.\n</reasoning>\nFinal Answer: 24.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 47:7 and A = 71, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 47/7, so B = A × (7/47) = 71 × 7/47 = 10.5745.\n</reasoning>\nFinal Answer: 10.5745" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the prime factorization of 143." }, { "role": "assistant", "content": "<reasoning>\nDivide 143 by smallest primes repeatedly: 143 = 11 × 13.\n</reasoning>\nFinal Answer: 11 × 13" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Calculate: 228 ÷ 455" }, { "role": "assistant", "content": "<reasoning>\nDivide 228 by 455. 228 ÷ 455 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "13 workers can complete a job in 23 days. How many days will 11 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 13 × 23 = 299 worker-days. New time = 299 / 11 = 27.1818 days.\n</reasoning>\nFinal Answer: 27.1818" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "What is 17% of 582?" }, { "role": "assistant", "content": "<reasoning>\n17% of 582 = (17/100) × 582 = 98.94.\n</reasoning>\nFinal Answer: 98.94" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Ravi has 31 apples and buys 58 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 31 + 58 = 89.\n</reasoning>\nFinal Answer: 89" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 11/2 / 18/11" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/2) ÷ (18/11) = (11/2) × (11/18) = 121/36.\n</reasoning>\nFinal Answer: 121/36" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 3 * 49 + 11 * 24" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 3×49=147 and 11×24=264, then add: 411.\n</reasoning>\nFinal Answer: 411" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 39 and height 100." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 39 × 100 = 3900.\n</reasoning>\nFinal Answer: 3900" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 21, 24 and height 22." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (21+24) × 22 = 495.0.\n</reasoning>\nFinal Answer: 495.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the median of: [28, 94, 93, 69, 12, 81, 11]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [11, 12, 28, 69, 81, 93, 94]. Middle value(s) → median = 69.\n</reasoning>\nFinal Answer: 69" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 41 and width 93." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(41+93) = 2×134 = 268.\n</reasoning>\nFinal Answer: 268" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the area of a triangle with base 35 and height 23." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 35 × 23 = 402.5.\n</reasoning>\nFinal Answer: 402.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mean of: [89, 65, 58, 75, 56, 100]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 443/6 = 73.8333.\n</reasoning>\nFinal Answer: 73.8333" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Given A = [7, 8, 9, 12, 13, 15, 18] and B = [1, 2, 8, 12, 13, 16, 17], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 2, 7, 8, 9, 12, 13, 15, 16, 17, 18].\n</reasoning>\nFinal Answer: [1, ...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Evaluate using order of operations: (38 + 9) * (20 - 1)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (38+9)=47, (20-1)=19, then 47×19=893.\n</reasoning>\nFinal Answer: 893" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the median of: [78, 39, 16, 10, 82, 63, 32, 26, 87]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [10, 16, 26, 32, 39, 63, 78, 82, 87]. Middle value(s) → median = 39.\n</reasoning>\nFinal Answer: 39" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 451 km apart. Their speeds are 61 km/h and 40 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 61+40=101 km/h. Time = 451/101 = 4.4653 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 6/9 * 3/15" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (6/9) × (3/15) = (18/135) = 2/15 after simplification.\n</reasoning>\nFinal Answer: 2/15" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹862. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 862 × 28/100 = 241.36. Total = 862 + 241.36 = 1103.36.\n</reasoning>\nFinal Answer: 1103.36" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 956 km apart. Their speeds are 119 km/h and 90 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 119+90=209 km/h. Time = 956/209 = 4.5742 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 50 - -145" }, { "role": "assistant", "content": "<reasoning>\nSubtract -145 from 50: 50 - -145 = 195.\n</reasoning>\nFinal Answer: 195" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 86 and 162." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(86,162) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: 437 - -300" }, { "role": "assistant", "content": "<reasoning>\nSubtract -300 from 437: 437 - -300 = 737.\n</reasoning>\nFinal Answer: 737" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [21, 6, 70, 97, 30, 31, 1, 99]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 355/8 = 44.375.\n</reasoning>\nFinal Answer: 44.375" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Simplify: 17/3 - 12/3" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 17/3 - 12/3. LCD = 3. Result = 5/3.\n</reasoning>\nFinal Answer: 5/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 21 and 29." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (21×29)/1 = 609.\n</reasoning>\nFinal Answer: 609" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the median of: [53, 16, 27, 97, 39, 17, 43]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [16, 17, 27, 39, 43, 53, 97]. Middle value(s) → median = 39.\n</reasoning>\nFinal Answer: 39" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Simplify: 5/13 * 8/17" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (5/13) × (8/17) = (40/221) = 40/221 after simplification.\n</reasoning>\nFinal Answer: 40/221" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 7/16 + 4/8" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 7/16 + 4/8. Common denominator = 16. Result = 15/16.\n</reasoning>\nFinal Answer: 15/16" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -992 + 548" }, { "role": "assistant", "content": "<reasoning>\nAdd -992 and 548: -992 + 548 = -444.\n</reasoning>\nFinal Answer: -444" } ]
medium
[ "arithmetic", "computation" ]