messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Calculate: -506 × -354" }, { "role": "assistant", "content": "<reasoning>\nMultiply -506 by -354: -506 × -354 = 179124.\n</reasoning>\nFinal Answer: 179124" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "370 is what percentage of 681?" }, { "role": "assistant", "content": "<reasoning>\n(370/681) × 100 = 54.3319%.\n</reasoning>\nFinal Answer: 54.3319%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Solve for x: 15x + -12 = -192" }, { "role": "assistant", "content": "<reasoning>\nSubtract -12 from both sides: 15x = -180. Divide by 15: x = -12.\n</reasoning>\nFinal Answer: -12" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 46 + 47 * 40 - 32" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 47×40=1880, then 46+1880-32=1894.\n</reasoning>\nFinal Answer: 1894" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Ravi has 115 apples and buys 92 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 115 + 92 = 207.\n</reasoning>\nFinal Answer: 207" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 8 mod -320" }, { "role": "assistant", "content": "<reasoning>\n8 mod -320: 8 = -320 × -1 + -312, so remainder = -312.\n</reasoning>\nFinal Answer: -312" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 643 km apart. Their speeds are 80 km/h and 92 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 80+92=172 km/h. Time = 643/172 = 3.7384 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 2x + 32 = -20" }, { "role": "assistant", "content": "<reasoning>\nSubtract 32 from both sides: 2x = -52. Divide by 2: x = -26.\n</reasoning>\nFinal Answer: -26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 820 km apart. Their speeds are 63 km/h and 94 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 63+94=157 km/h. Time = 820/157 = 5.2229 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 20x + 24 = 564" }, { "role": "assistant", "content": "<reasoning>\nSubtract 24 from both sides: 20x = 540. Divide by 20: x = 27.\n</reasoning>\nFinal Answer: 27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 2/2 - 20/2" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 2/2 - 20/2. LCD = 1. Result = -9.\n</reasoning>\nFinal Answer: -9" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the range of: [84, 90, 27, 35, 62, 71]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 90 - 27 = 63.\n</reasoning>\nFinal Answer: 63" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Evaluate using order of operations: (24 + 32) * (25 - 17)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (24+32)=56, (25-17)=8, then 56×8=448.\n</reasoning>\nFinal Answer: 448" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A bag has 6 red and 10 blue balls. What is the probability of drawing a blue ball?" }, { "role": "assistant", "content": "<reasoning>\nP(blue) = 10/16 = 0.625.\n</reasoning>\nFinal Answer: 0.625" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "Find the range of: [59, 11, 2, 68, 49, 75, 70, 19]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 75 - 2 = 73.\n</reasoning>\nFinal Answer: 73" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 123 and 125." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(123,125) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Ravi has 79 apples and buys 77 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 79 + 77 = 156.\n</reasoning>\nFinal Answer: 156" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 95 and width 96." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(95+96) = 2×191 = 382.\n</reasoning>\nFinal Answer: 382" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Decrease 867 by 35%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 35%: 867 × (1 - 35/100) = 867 × 0.65 = 563.55.\n</reasoning>\nFinal Answer: 563.55" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 30 + 27 * 26 - 25" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 27×26=702, then 30+702-25=707.\n</reasoning>\nFinal Answer: 707" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Increase 461 by 12%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 12%: 461 × (1 + 12/100) = 461 × 1.12 = 516.32.\n</reasoning>\nFinal Answer: 516.32" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 98 and width 43." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 98 × 43 = 4214.\n</reasoning>\nFinal Answer: 4214" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -632 × 137" }, { "role": "assistant", "content": "<reasoning>\nMultiply -632 by 137: -632 × 137 = -86584.\n</reasoning>\nFinal Answer: -86584" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 103 and 97." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(103,97) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 32, 1 and height 14." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (32+1) × 14 = 231.0.\n</reasoning>\nFinal Answer: 231.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 761 mod 28" }, { "role": "assistant", "content": "<reasoning>\n761 mod 28: 761 = 28 × 27 + 5, so remainder = 5.\n</reasoning>\nFinal Answer: 5" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "A train travels at 134 km/h. How far does it travel in 6 hours and 10 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 6 + 10/60 = 6.1667 hours. Distance = speed × time = 134 × 6.1667 = 826.3333 km.\n</reasoning>\nFinal Answer: 826.3333" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 7/14 / 9/15" }, { "role": "assistant", "content": "<reasoning>\nDivide: (7/14) ÷ (9/15) = (7/14) × (15/9) = 5/6.\n</reasoning>\nFinal Answer: 5/6" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 526 × -211" }, { "role": "assistant", "content": "<reasoning>\nMultiply 526 by -211: 526 × -211 = -110986.\n</reasoning>\nFinal Answer: -110986" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 11, 9 and height 34." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (11+9) × 34 = 340.0.\n</reasoning>\nFinal Answer: 340.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 18/18 - 16/3" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 18/18 - 16/3. LCD = 3. Result = -13/3.\n</reasoning>\nFinal Answer: -13/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 902 ÷ -93" }, { "role": "assistant", "content": "<reasoning>\nDivide 902 by -93. 902 ÷ -93 = -10 (integer division).\n</reasoning>\nFinal Answer: -10" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "207 is what percentage of 258?" }, { "role": "assistant", "content": "<reasoning>\n(207/258) × 100 = 80.2326%.\n</reasoning>\nFinal Answer: 80.2326%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the next term in the sequence: [32, 52, 72, 92, 112]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 32 and common difference 20. Next term = 112 + 20 = 132.\n</reasoning>\nFinal Answer: 132" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "If the ratio of A to B is 10:25 and A = 28, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 10/25, so B = A × (25/10) = 28 × 25/10 = 70.0.\n</reasoning>\nFinal Answer: 70.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 219 mod -842" }, { "role": "assistant", "content": "<reasoning>\n219 mod -842: 219 = -842 × -1 + -623, so remainder = -623.\n</reasoning>\nFinal Answer: -623" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [22, 60, 14, 85, 36, 94]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 311/6 = 51.8333.\n</reasoning>\nFinal Answer: 51.8333" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 43 and common difference 20, find the 22th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 43 + (22-1)×20 = 43 + 420 = 463.\n</reasoning>\nFinal Answer: 463" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Simplify: 10/13 + 3/11" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 10/13 + 3/11. Common denominator = 143. Result = 149/143.\n</reasoning>\nFinal Answer: 149/143" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 13/11 * 18/17" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (13/11) × (18/17) = (234/187) = 234/187 after simplification.\n</reasoning>\nFinal Answer: 234/187" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 10/9 / 18/15" }, { "role": "assistant", "content": "<reasoning>\nDivide: (10/9) ÷ (18/15) = (10/9) × (15/18) = 25/27.\n</reasoning>\nFinal Answer: 25/27" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Increase 298 by 50%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 50%: 298 × (1 + 50/100) = 298 × 1.5 = 447.0.\n</reasoning>\nFinal Answer: 447.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (38 + 44) * (26 - 11)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (38+44)=82, (26-11)=15, then 82×15=1230.\n</reasoning>\nFinal Answer: 1230" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the prime factorization of 109." }, { "role": "assistant", "content": "<reasoning>\nDivide 109 by smallest primes repeatedly: 109 = 109.\n</reasoning>\nFinal Answer: 109" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Simplify: 2/16 / 8/14" }, { "role": "assistant", "content": "<reasoning>\nDivide: (2/16) ÷ (8/14) = (2/16) × (14/8) = 7/32.\n</reasoning>\nFinal Answer: 7/32" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 610 km apart. Their speeds are 114 km/h and 42 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 114+42=156 km/h. Time = 610/156 = 3.9103 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mean of: [55, 35, 93, 56, 14, 30, 91, 87, 25, 4]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 490/10 = 49.0.\n</reasoning>\nFinal Answer: 49.0" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Ravi has 147 apples and buys 64 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 147 + 64 = 211.\n</reasoning>\nFinal Answer: 211" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Ravi has 138 apples and buys 60 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 138 + 60 = 198.\n</reasoning>\nFinal Answer: 198" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 15/3 * 5/6" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (15/3) × (5/6) = (75/18) = 25/6 after simplification.\n</reasoning>\nFinal Answer: 25/6" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "A train travels at 164 km/h. How far does it travel in 11 hours and 38 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 11 + 38/60 = 11.6333 hours. Distance = speed × time = 164 × 11.6333 = 1907.8667 km.\n</reasoning>\nFinal Answer: 1907.8667" }...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -524 - -546" }, { "role": "assistant", "content": "<reasoning>\nSubtract -546 from -524: -524 - -546 = 22.\n</reasoning>\nFinal Answer: 22" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -479 - -257" }, { "role": "assistant", "content": "<reasoning>\nSubtract -257 from -479: -479 - -257 = -222.\n</reasoning>\nFinal Answer: -222" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 38 + 37 * 39 - 9" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 37×39=1443, then 38+1443-9=1472.\n</reasoning>\nFinal Answer: 1472" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a triangle with base 78 and height 77." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 78 × 77 = 3003.0.\n</reasoning>\nFinal Answer: 3003.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a triangle with base 67 and height 54." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 67 × 54 = 1809.0.\n</reasoning>\nFinal Answer: 1809.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -707 mod 330" }, { "role": "assistant", "content": "<reasoning>\n-707 mod 330: -707 = 330 × -3 + 283, so remainder = 283.\n</reasoning>\nFinal Answer: 283" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 5x + -13 = 97" }, { "role": "assistant", "content": "<reasoning>\nSubtract -13 from both sides: 5x = 110. Divide by 5: x = 22.\n</reasoning>\nFinal Answer: 22" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "A bag has 4 red and 4 blue balls. What is the probability of drawing a blue ball?" }, { "role": "assistant", "content": "<reasoning>\nP(blue) = 4/8 = 0.5.\n</reasoning>\nFinal Answer: 0.5" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "Evaluate using order of operations: (10 + 42) * (29 - 33)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (10+42)=52, (29-33)=-4, then 52×-4=-208.\n</reasoning>\nFinal Answer: -208" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 8, 23, and 27." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 8 + 23 + 27 = 58.\n</reasoning>\nFinal Answer: 58" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "121 is what percentage of 286?" }, { "role": "assistant", "content": "<reasoning>\n(121/286) × 100 = 42.3077%.\n</reasoning>\nFinal Answer: 42.3077%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the next term in the sequence: [40, 50, 60, 70, 80]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 40 and common difference 10. Next term = 80 + 10 = 90.\n</reasoning>\nFinal Answer: 90" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the median of: [10, 96, 75, 75, 67, 23, 67, 1, 66, 77]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [1, 10, 23, 66, 67, 67, 75, 75, 77, 96]. Middle value(s) → median = 67.0.\n</reasoning>\nFinal Answer: 67.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Solve for x: 25x + 32 = -1218" }, { "role": "assistant", "content": "<reasoning>\nSubtract 32 from both sides: 25x = -1250. Divide by 25: x = -50.\n</reasoning>\nFinal Answer: -50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 25x + 44 = -606" }, { "role": "assistant", "content": "<reasoning>\nSubtract 44 from both sides: 25x = -650. Divide by 25: x = -26.\n</reasoning>\nFinal Answer: -26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve: 3x² + (-39)x + (120) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -39² - 4×3×120 = 81. √discriminant = 9. x = (-(-39) ± 9) / (2×3). Solutions: x = 8 or x = 5.\n</reasoning>\nFinal Answer: x = 8 or x = 5" } ...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Solve for x: 3x + 35 = 143" }, { "role": "assistant", "content": "<reasoning>\nSubtract 35 from both sides: 3x = 108. Divide by 3: x = 36.\n</reasoning>\nFinal Answer: 36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "17 workers can complete a job in 23 days. How many days will 11 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 17 × 23 = 391 worker-days. New time = 391 / 11 = 35.5455 days.\n</reasoning>\nFinal Answer: 35.5455" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 22x + 29 = -697" }, { "role": "assistant", "content": "<reasoning>\nSubtract 29 from both sides: 22x = -726. Divide by 22: x = -33.\n</reasoning>\nFinal Answer: -33" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -696 × 809" }, { "role": "assistant", "content": "<reasoning>\nMultiply -696 by 809: -696 × 809 = -563064.\n</reasoning>\nFinal Answer: -563064" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 12, 20, and 24." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 12 + 20 + 24 = 56.\n</reasoning>\nFinal Answer: 56" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "An item costs ₹1971. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1971 × 12/100 = 236.52. Total = 1971 + 236.52 = 2207.52.\n</reasoning>\nFinal Answer: 2207.52" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 23x + 41 = 225" }, { "role": "assistant", "content": "<reasoning>\nSubtract 41 from both sides: 23x = 184. Divide by 23: x = 8.\n</reasoning>\nFinal Answer: 8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 18/9 * 19/14" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (18/9) × (19/14) = (342/126) = 19/7 after simplification.\n</reasoning>\nFinal Answer: 19/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹22124 at 12% per annum for 10 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 22124 × 12 × 10 / 100 = 26548.8.\n</reasoning>\nFinal Answer: 26548.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 48 * 39 + 47 * 10" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 48×39=1872 and 47×10=470, then add: 2342.\n</reasoning>\nFinal Answer: 2342" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "An item costs ₹582. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 582 × 18/100 = 104.76. Total = 582 + 104.76 = 686.76.\n</reasoning>\nFinal Answer: 686.76" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 30x + -4 = 1106" }, { "role": "assistant", "content": "<reasoning>\nSubtract -4 from both sides: 30x = 1110. Divide by 30: x = 37.\n</reasoning>\nFinal Answer: 37" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (7 + 39) * (10 - 33)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (7+39)=46, (10-33)=-23, then 46×-23=-1058.\n</reasoning>\nFinal Answer: -1058" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 9/20 - 16/16" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 9/20 - 16/16. LCD = 20. Result = -11/20.\n</reasoning>\nFinal Answer: -11/20" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 11/3 - 5/1" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 11/3 - 5/1. LCD = 3. Result = -4/3.\n</reasoning>\nFinal Answer: -4/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the range of: [98, 96, 89, 44, 9, 27]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 98 - 9 = 89.\n</reasoning>\nFinal Answer: 89" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Solve for x: 1x + 28 = 25" }, { "role": "assistant", "content": "<reasoning>\nSubtract 28 from both sides: 1x = -3. Divide by 1: x = -3.\n</reasoning>\nFinal Answer: -3" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -209 ÷ 404" }, { "role": "assistant", "content": "<reasoning>\nDivide -209 by 404. -209 ÷ 404 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 855 × 395" }, { "role": "assistant", "content": "<reasoning>\nMultiply 855 by 395: 855 × 395 = 337725.\n</reasoning>\nFinal Answer: 337725" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 296 mod -446" }, { "role": "assistant", "content": "<reasoning>\n296 mod -446: 296 = -446 × -1 + -150, so remainder = -150.\n</reasoning>\nFinal Answer: -150" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 32:18 and A = 60, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 32/18, so B = A × (18/32) = 60 × 18/32 = 33.75.\n</reasoning>\nFinal Answer: 33.75" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 17x + -45 = -708" }, { "role": "assistant", "content": "<reasoning>\nSubtract -45 from both sides: 17x = -663. Divide by 17: x = -39.\n</reasoning>\nFinal Answer: -39" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -638 - 351" }, { "role": "assistant", "content": "<reasoning>\nSubtract 351 from -638: -638 - 351 = -989.\n</reasoning>\nFinal Answer: -989" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the prime factorization of 248." }, { "role": "assistant", "content": "<reasoning>\nDivide 248 by smallest primes repeatedly: 248 = 2 × 2 × 2 × 31.\n</reasoning>\nFinal Answer: 2 × 2 × 2 × 31" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Evaluate using order of operations: 13 * 21 + 10 * 14" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 13×21=273 and 10×14=140, then add: 413.\n</reasoning>\nFinal Answer: 413" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "413 is what percentage of 503?" }, { "role": "assistant", "content": "<reasoning>\n(413/503) × 100 = 82.1074%.\n</reasoning>\nFinal Answer: 82.1074%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Simplify: 5/6 + 8/10" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 5/6 + 8/10. Common denominator = 30. Result = 49/30.\n</reasoning>\nFinal Answer: 49/30" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 31 + 22 ** 2 - 11" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 22²=484, then 31+484-11=504.\n</reasoning>\nFinal Answer: 504" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Given A = [4, 9, 17, 19] and B = [9, 18, 19], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [9, 19].\n</reasoning>\nFinal Answer: [9, 19]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 29, 8 and height 3." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (29+8) × 3 = 55.5.\n</reasoning>\nFinal Answer: 55.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 331 + -191" }, { "role": "assistant", "content": "<reasoning>\nAdd 331 and -191: 331 + -191 = 140.\n</reasoning>\nFinal Answer: 140" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "A train travels at 100 km/h. How far does it travel in 7 hours and 39 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 7 + 39/60 = 7.6500 hours. Distance = speed × time = 100 × 7.6500 = 765.0 km.\n</reasoning>\nFinal Answer: 765.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 6 and 49." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (6×49)/1 = 294.\n</reasoning>\nFinal Answer: 294" } ]
medium
[ "number_theory", "lcm" ]