messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹26356 at 15% per annum for 2 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 26356 × 15 × 2 / 100 = 7906.8.\n</reasoning>\nFinal Answer: 7906.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -391 mod 781" }, { "role": "assistant", "content": "<reasoning>\n-391 mod 781: -391 = 781 × -1 + 390, so remainder = 390.\n</reasoning>\nFinal Answer: 390" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -466 + 452" }, { "role": "assistant", "content": "<reasoning>\nAdd -466 and 452: -466 + 452 = -14.\n</reasoning>\nFinal Answer: -14" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 25 * 30 + 40 * 5" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 25×30=750 and 40×5=200, then add: 950.\n</reasoning>\nFinal Answer: 950" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 584 km apart. Their speeds are 87 km/h and 76 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 87+76=163 km/h. Time = 584/163 = 3.5828 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a triangle with base 4 and height 62." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 4 × 62 = 124.0.\n</reasoning>\nFinal Answer: 124.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 19, 27, and 31." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 19 + 27 + 31 = 77.\n</reasoning>\nFinal Answer: 77" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve for x: 18x + 6 = 348" }, { "role": "assistant", "content": "<reasoning>\nSubtract 6 from both sides: 18x = 342. Divide by 18: x = 19.\n</reasoning>\nFinal Answer: 19" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mode of: [22, 86, 85, 99, 37, 55]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {22: 1, 86: 1, 85: 1, 99: 1, 37: 1, 55: 1}. Most frequent: [22, 86, 85, 99, 37, 55].\n</reasoning>\nFinal Answer: [22, 86, 85, 99, 37, 55]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: 94 + 751" }, { "role": "assistant", "content": "<reasoning>\nAdd 94 and 751: 94 + 751 = 845.\n</reasoning>\nFinal Answer: 845" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 18 and 44." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (18×44)/2 = 396.\n</reasoning>\nFinal Answer: 396" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "If the ratio of A to B is 2:40 and A = 36, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 2/40, so B = A × (40/2) = 36 × 40/2 = 720.0.\n</reasoning>\nFinal Answer: 720.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 22x + -9 = 739" }, { "role": "assistant", "content": "<reasoning>\nSubtract -9 from both sides: 22x = 748. Divide by 22: x = 34.\n</reasoning>\nFinal Answer: 34" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Given A = [4, 9, 16, 19] and B = [2, 6, 13], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [].\n</reasoning>\nFinal Answer: []" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 4 and 139." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(4,139) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Simplify: 7/12 + 11/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 7/12 + 11/1. Common denominator = 12. Result = 139/12.\n</reasoning>\nFinal Answer: 139/12" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 1x + 32 = 73" }, { "role": "assistant", "content": "<reasoning>\nSubtract 32 from both sides: 1x = 41. Divide by 1: x = 41.\n</reasoning>\nFinal Answer: 41" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 18/6 - 2/16" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 18/6 - 2/16. LCD = 8. Result = 23/8.\n</reasoning>\nFinal Answer: 23/8" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the prime factorization of 317." }, { "role": "assistant", "content": "<reasoning>\nDivide 317 by smallest primes repeatedly: 317 = 317.\n</reasoning>\nFinal Answer: 317" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "448 is what percentage of 661?" }, { "role": "assistant", "content": "<reasoning>\n(448/661) × 100 = 67.7761%.\n</reasoning>\nFinal Answer: 67.7761%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "A train travels at 171 km/h. How far does it travel in 10 hours and 40 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 10 + 40/60 = 10.6667 hours. Distance = speed × time = 171 × 10.6667 = 1824.0 km.\n</reasoning>\nFinal Answer: 1824.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the next term in the sequence: [39, 48, 57, 66, 75]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 39 and common difference 9. Next term = 75 + 9 = 84.\n</reasoning>\nFinal Answer: 84" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 34 and common difference 7, find the 41th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 34 + (41-1)×7 = 34 + 280 = 314.\n</reasoning>\nFinal Answer: 314" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the mode of: [18, 60, 22, 72, 99]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {18: 1, 60: 1, 22: 1, 72: 1, 99: 1}. Most frequent: [18, 60, 22, 72, 99].\n</reasoning>\nFinal Answer: [18, 60, 22, 72, 99]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: 328 - 352" }, { "role": "assistant", "content": "<reasoning>\nSubtract 352 from 328: 328 - 352 = -24.\n</reasoning>\nFinal Answer: -24" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [6, 92, 42, 92, 17]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 249/5 = 49.8.\n</reasoning>\nFinal Answer: 49.8" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -608 - 507" }, { "role": "assistant", "content": "<reasoning>\nSubtract 507 from -608: -608 - 507 = -1115.\n</reasoning>\nFinal Answer: -1115" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 41:41 and A = 17, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 41/41, so B = A × (41/41) = 17 × 41/41 = 17.0.\n</reasoning>\nFinal Answer: 17.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 42 and 16." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (42×16)/2 = 336.\n</reasoning>\nFinal Answer: 336" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Ravi has 12 apples and buys 159 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 12 + 159 = 171.\n</reasoning>\nFinal Answer: 171" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 5:19 and A = 69, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 5/19, so B = A × (19/5) = 69 × 19/5 = 262.2.\n</reasoning>\nFinal Answer: 262.2" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: (4 + 17) * (1 - 33)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (4+17)=21, (1-33)=-32, then 21×-32=-672.\n</reasoning>\nFinal Answer: -672" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 1/6 + 5/3" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 1/6 + 5/3. Common denominator = 6. Result = 11/6.\n</reasoning>\nFinal Answer: 11/6" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "18 workers can complete a job in 13 days. How many days will 16 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 18 × 13 = 234 worker-days. New time = 234 / 16 = 14.625 days.\n</reasoning>\nFinal Answer: 14.625" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the median of: [28, 8, 63, 87, 8, 93, 30]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [8, 8, 28, 30, 63, 87, 93]. Middle value(s) → median = 30.\n</reasoning>\nFinal Answer: 30" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "A bag has 9 red and 9 blue balls. What is the probability of drawing a red ball?" }, { "role": "assistant", "content": "<reasoning>\nP(red) = 9/18 = 0.5.\n</reasoning>\nFinal Answer: 0.5" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "Calculate: 839 mod -676" }, { "role": "assistant", "content": "<reasoning>\n839 mod -676: 839 = -676 × -2 + -513, so remainder = -513.\n</reasoning>\nFinal Answer: -513" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "105 is what percentage of 158?" }, { "role": "assistant", "content": "<reasoning>\n(105/158) × 100 = 66.4557%.\n</reasoning>\nFinal Answer: 66.4557%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Calculate: -794 × -887" }, { "role": "assistant", "content": "<reasoning>\nMultiply -794 by -887: -794 × -887 = 704278.\n</reasoning>\nFinal Answer: 704278" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 1/20 - 8/16" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 1/20 - 8/16. LCD = 20. Result = -9/20.\n</reasoning>\nFinal Answer: -9/20" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 13x + -17 = 74" }, { "role": "assistant", "content": "<reasoning>\nSubtract -17 from both sides: 13x = 91. Divide by 13: x = 7.\n</reasoning>\nFinal Answer: 7" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Ravi has 62 apples and buys 191 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 62 + 191 = 253.\n</reasoning>\nFinal Answer: 253" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 525 - 527" }, { "role": "assistant", "content": "<reasoning>\nSubtract 527 from 525: 525 - 527 = -2.\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 28x + 23 = -453" }, { "role": "assistant", "content": "<reasoning>\nSubtract 23 from both sides: 28x = -476. Divide by 28: x = -17.\n</reasoning>\nFinal Answer: -17" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Increase 803 by 60%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 60%: 803 × (1 + 60/100) = 803 × 1.6 = 1284.8.\n</reasoning>\nFinal Answer: 1284.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Increase 84 by 45%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 45%: 84 × (1 + 45/100) = 84 × 1.45 = 121.8.\n</reasoning>\nFinal Answer: 121.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 24, 12 and height 48." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (24+12) × 48 = 864.0.\n</reasoning>\nFinal Answer: 864.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 39 * 36 + 34 * 18" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 39×36=1404 and 34×18=612, then add: 2016.\n</reasoning>\nFinal Answer: 2016" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 13 and width 23." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(13+23) = 2×36 = 72.\n</reasoning>\nFinal Answer: 72" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "A bag has 4 red and 8 blue balls. What is the probability of drawing a red ball?" }, { "role": "assistant", "content": "<reasoning>\nP(red) = 4/12 = 0.3333.\n</reasoning>\nFinal Answer: 0.3333" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 33 and 40." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (33×40)/1 = 1320.\n</reasoning>\nFinal Answer: 1320" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Evaluate using order of operations: 9 + 26 * 33 - 14" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 26×33=858, then 9+858-14=853.\n</reasoning>\nFinal Answer: 853" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 12x + 11 = 275" }, { "role": "assistant", "content": "<reasoning>\nSubtract 11 from both sides: 12x = 264. Divide by 12: x = 22.\n</reasoning>\nFinal Answer: 22" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "14 workers can complete a job in 6 days. How many days will 20 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 14 × 6 = 84 worker-days. New time = 84 / 20 = 4.2 days.\n</reasoning>\nFinal Answer: 4.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Ravi has 143 apples and buys 163 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 143 + 163 = 306.\n</reasoning>\nFinal Answer: 306" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the next term in the sequence: [46, 62, 78, 94, 110]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 46 and common difference 16. Next term = 110 + 16 = 126.\n</reasoning>\nFinal Answer: 126" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Evaluate using order of operations: 39 + 32 ** 2 - 3" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 32²=1024, then 39+1024-3=1060.\n</reasoning>\nFinal Answer: 1060" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 4/16 / 4/17" }, { "role": "assistant", "content": "<reasoning>\nDivide: (4/16) ÷ (4/17) = (4/16) × (17/4) = 17/16.\n</reasoning>\nFinal Answer: 17/16" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 28x + -6 = -538" }, { "role": "assistant", "content": "<reasoning>\nSubtract -6 from both sides: 28x = -532. Divide by 28: x = -19.\n</reasoning>\nFinal Answer: -19" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (7 + 21) * (17 - 15)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (7+21)=28, (17-15)=2, then 28×2=56.\n</reasoning>\nFinal Answer: 56" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 825 + 735" }, { "role": "assistant", "content": "<reasoning>\nAdd 825 and 735: 825 + 735 = 1560.\n</reasoning>\nFinal Answer: 1560" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 15 + 9 * 40 - 34" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 9×40=360, then 15+360-34=341.\n</reasoning>\nFinal Answer: 341" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 17/9 / 14/16" }, { "role": "assistant", "content": "<reasoning>\nDivide: (17/9) ÷ (14/16) = (17/9) × (16/14) = 136/63.\n</reasoning>\nFinal Answer: 136/63" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 9 and common difference 15, find the 39th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 9 + (39-1)×15 = 9 + 570 = 579.\n</reasoning>\nFinal Answer: 579" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "7 workers can complete a job in 30 days. How many days will 19 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 7 × 30 = 210 worker-days. New time = 210 / 19 = 11.0526 days.\n</reasoning>\nFinal Answer: 11.0526" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 5, 44 and height 1." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (5+44) × 1 = 24.5.\n</reasoning>\nFinal Answer: 24.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mean of: [30, 46, 54, 29, 78, 77, 33]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 347/7 = 49.5714.\n</reasoning>\nFinal Answer: 49.5714" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Simplify: 9/17 - 20/3" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 9/17 - 20/3. LCD = 51. Result = -313/51.\n</reasoning>\nFinal Answer: -313/51" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 11x + 21 = -111" }, { "role": "assistant", "content": "<reasoning>\nSubtract 21 from both sides: 11x = -132. Divide by 11: x = -12.\n</reasoning>\nFinal Answer: -12" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 576 ÷ 24" }, { "role": "assistant", "content": "<reasoning>\nDivide 576 by 24. 576 ÷ 24 = 24 (integer division).\n</reasoning>\nFinal Answer: 24" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 43:37 and A = 98, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 43/37, so B = A × (37/43) = 98 × 37/43 = 84.3256.\n</reasoning>\nFinal Answer: 84.3256" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 7 and common difference 19, find the 39th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 7 + (39-1)×19 = 7 + 722 = 729.\n</reasoning>\nFinal Answer: 729" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 168 mod -980" }, { "role": "assistant", "content": "<reasoning>\n168 mod -980: 168 = -980 × -1 + -812, so remainder = -812.\n</reasoning>\nFinal Answer: -812" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 218 by 70%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 70%: 218 × (1 + 70/100) = 218 × 1.7 = 370.6.\n</reasoning>\nFinal Answer: 370.6" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Ravi has 24 apples and buys 120 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 24 + 120 = 144.\n</reasoning>\nFinal Answer: 144" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 24x + 31 = -521" }, { "role": "assistant", "content": "<reasoning>\nSubtract 31 from both sides: 24x = -552. Divide by 24: x = -23.\n</reasoning>\nFinal Answer: -23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 18/8 / 17/7" }, { "role": "assistant", "content": "<reasoning>\nDivide: (18/8) ÷ (17/7) = (18/8) × (7/17) = 63/68.\n</reasoning>\nFinal Answer: 63/68" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 20 + 28 ** 2 - 21" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 28²=784, then 20+784-21=783.\n</reasoning>\nFinal Answer: 783" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -814 + -634" }, { "role": "assistant", "content": "<reasoning>\nAdd -814 and -634: -814 + -634 = -1448.\n</reasoning>\nFinal Answer: -1448" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 9:6 and A = 74, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 9/6, so B = A × (6/9) = 74 × 6/9 = 49.3333.\n</reasoning>\nFinal Answer: 49.3333" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 139 + 39" }, { "role": "assistant", "content": "<reasoning>\nAdd 139 and 39: 139 + 39 = 178.\n</reasoning>\nFinal Answer: 178" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹16319 at 19% per annum for 3 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 16319 × 19 × 3 / 100 = 9301.83.\n</reasoning>\nFinal Answer: 9301.83" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 3/12 / 9/5" }, { "role": "assistant", "content": "<reasoning>\nDivide: (3/12) ÷ (9/5) = (3/12) × (5/9) = 5/36.\n</reasoning>\nFinal Answer: 5/36" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Decrease 919 by 90%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 90%: 919 × (1 - 90/100) = 919 × 0.09999999999999998 = 91.9.\n</reasoning>\nFinal Answer: 91.9" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -773 - -57" }, { "role": "assistant", "content": "<reasoning>\nSubtract -57 from -773: -773 - -57 = -716.\n</reasoning>\nFinal Answer: -716" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 14 and width 89." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 14 × 89 = 1246.\n</reasoning>\nFinal Answer: 1246" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Increase 725 by 100%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 100%: 725 × (1 + 100/100) = 725 × 2.0 = 1450.0.\n</reasoning>\nFinal Answer: 1450.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the median of: [79, 81, 35, 66, 48, 91, 41, 22]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [22, 35, 41, 48, 66, 79, 81, 91]. Middle value(s) → median = 57.0.\n</reasoning>\nFinal Answer: 57.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate: 691 ÷ -690" }, { "role": "assistant", "content": "<reasoning>\nDivide 691 by -690. 691 ÷ -690 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 6/5 / 18/16" }, { "role": "assistant", "content": "<reasoning>\nDivide: (6/5) ÷ (18/16) = (6/5) × (16/18) = 16/15.\n</reasoning>\nFinal Answer: 16/15" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -618 mod -628" }, { "role": "assistant", "content": "<reasoning>\n-618 mod -628: -618 = -628 × 0 + -618, so remainder = -618.\n</reasoning>\nFinal Answer: -618" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 21x + -30 = -849" }, { "role": "assistant", "content": "<reasoning>\nSubtract -30 from both sides: 21x = -819. Divide by 21: x = -39.\n</reasoning>\nFinal Answer: -39" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 17 and height 27." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 17 × 27 = 459.\n</reasoning>\nFinal Answer: 459" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 644 ÷ -790" }, { "role": "assistant", "content": "<reasoning>\nDivide 644 by -790. 644 ÷ -790 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -370 ÷ -781" }, { "role": "assistant", "content": "<reasoning>\nDivide -370 by -781. -370 ÷ -781 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 13/11 - 8/6" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 13/11 - 8/6. LCD = 33. Result = -5/33.\n</reasoning>\nFinal Answer: -5/33" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (42 + 18) * (38 - 27)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (42+18)=60, (38-27)=11, then 60×11=660.\n</reasoning>\nFinal Answer: 660" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 10:46 and A = 95, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 10/46, so B = A × (46/10) = 95 × 46/10 = 437.0.\n</reasoning>\nFinal Answer: 437.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 11, 4 and height 50." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (11+4) × 50 = 375.0.\n</reasoning>\nFinal Answer: 375.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 4, 26 and height 34." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (4+26) × 34 = 510.0.\n</reasoning>\nFinal Answer: 510.0" } ]
medium
[ "geometry", "area" ]