messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the mode of: [56, 18, 15, 96, 100, 85, 11, 70, 87]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {56: 1, 18: 1, 15: 1, 96: 1, 100: 1, 85: 1, 11: 1, 70: 1, 87: 1}. Most frequent: [56, 18, 15, 96, 100, 85, 11, 70, 87].\n</reasoning>\nFina...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: 296 + 173" }, { "role": "assistant", "content": "<reasoning>\nAdd 296 and 173: 296 + 173 = 469.\n</reasoning>\nFinal Answer: 469" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "A train travels at 178 km/h. How far does it travel in 2 hours and 38 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 2 + 38/60 = 2.6333 hours. Distance = speed × time = 178 × 2.6333 = 468.7333 km.\n</reasoning>\nFinal Answer: 468.7333" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Increase 163 by 10%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 10%: 163 × (1 + 10/100) = 163 × 1.1 = 179.3.\n</reasoning>\nFinal Answer: 179.3" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve: 4x² + (4)x + (0) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 4² - 4×4×0 = 16. √discriminant = 4. x = (-(4) ± 4) / (2×4). Solutions: x = -1 or x = 0.\n</reasoning>\nFinal Answer: x = -1 or x = 0" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Given A = [3, 14, 16, 17, 18] and B = [3, 16, 18], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [14, 17].\n</reasoning>\nFinal Answer: [14, 17]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 359 × -897" }, { "role": "assistant", "content": "<reasoning>\nMultiply 359 by -897: 359 × -897 = -322023.\n</reasoning>\nFinal Answer: -322023" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -264 mod 529" }, { "role": "assistant", "content": "<reasoning>\n-264 mod 529: -264 = 529 × -1 + 265, so remainder = 265.\n</reasoning>\nFinal Answer: 265" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [38, 28, 57, 59, 7, 69]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 69 - 7 = 62.\n</reasoning>\nFinal Answer: 62" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the mode of: [30, 13, 73, 11, 56, 89]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {30: 1, 13: 1, 73: 1, 11: 1, 56: 1, 89: 1}. Most frequent: [30, 13, 73, 11, 56, 89].\n</reasoning>\nFinal Answer: [30, 13, 73, 11, 56, 89]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 83 and height 52." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 83 × 52 = 4316.\n</reasoning>\nFinal Answer: 4316" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 25 + 28 * 35 - 11" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 28×35=980, then 25+980-11=994.\n</reasoning>\nFinal Answer: 994" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: (42 + 6) * (42 - 29)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (42+6)=48, (42-29)=13, then 48×13=624.\n</reasoning>\nFinal Answer: 624" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Increase 43 by 10%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 10%: 43 × (1 + 10/100) = 43 × 1.1 = 47.3.\n</reasoning>\nFinal Answer: 47.3" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹3295 at 9% per annum for 10 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 3295 × 9 × 10 / 100 = 2965.5.\n</reasoning>\nFinal Answer: 2965.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a triangle with base 97 and height 77." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 97 × 77 = 3734.5.\n</reasoning>\nFinal Answer: 3734.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mean of: [97, 34, 90, 9, 63, 80, 47, 2]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 422/8 = 52.75.\n</reasoning>\nFinal Answer: 52.75" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Given A = [2, 4, 12, 14, 16, 18] and B = [3, 6, 9, 11, 16, 18, 19], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [2, 4, 12, 14].\n</reasoning>\nFinal Answer: [2, 4, 12, 14]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 7/5 / 11/18" }, { "role": "assistant", "content": "<reasoning>\nDivide: (7/5) ÷ (11/18) = (7/5) × (18/11) = 126/55.\n</reasoning>\nFinal Answer: 126/55" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -87 + -668" }, { "role": "assistant", "content": "<reasoning>\nAdd -87 and -668: -87 + -668 = -755.\n</reasoning>\nFinal Answer: -755" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -675 mod 133" }, { "role": "assistant", "content": "<reasoning>\n-675 mod 133: -675 = 133 × -6 + 123, so remainder = 123.\n</reasoning>\nFinal Answer: 123" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -905 × -994" }, { "role": "assistant", "content": "<reasoning>\nMultiply -905 by -994: -905 × -994 = 899570.\n</reasoning>\nFinal Answer: 899570" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 48 + 27 * 6 - 12" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 27×6=162, then 48+162-12=198.\n</reasoning>\nFinal Answer: 198" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 4/12 + 14/13" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 4/12 + 14/13. Common denominator = 39. Result = 55/39.\n</reasoning>\nFinal Answer: 55/39" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 39 * 2 + 27 * 18" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 39×2=78 and 27×18=486, then add: 564.\n</reasoning>\nFinal Answer: 564" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: (29 + 17) * (18 - 36)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (29+17)=46, (18-36)=-18, then 46×-18=-828.\n</reasoning>\nFinal Answer: -828" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 120 km/h. How far does it travel in 12 hours and 31 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 12 + 31/60 = 12.5167 hours. Distance = speed × time = 120 × 12.5167 = 1502.0 km.\n</reasoning>\nFinal Answer: 1502.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: (46 + 46) * (18 - 27)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (46+46)=92, (18-27)=-9, then 92×-9=-828.\n</reasoning>\nFinal Answer: -828" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 185 km/h. How far does it travel in 4 hours and 54 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 4 + 54/60 = 4.9000 hours. Distance = speed × time = 185 × 4.9000 = 906.5 km.\n</reasoning>\nFinal Answer: 906.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 420 - -47" }, { "role": "assistant", "content": "<reasoning>\nSubtract -47 from 420: 420 - -47 = 467.\n</reasoning>\nFinal Answer: 467" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 12:42 and A = 98, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 12/42, so B = A × (42/12) = 98 × 42/12 = 343.0.\n</reasoning>\nFinal Answer: 343.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 48:2 and A = 80, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 48/2, so B = A × (2/48) = 80 × 2/48 = 3.3333.\n</reasoning>\nFinal Answer: 3.3333" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 309 + 281" }, { "role": "assistant", "content": "<reasoning>\nAdd 309 and 281: 309 + 281 = 590.\n</reasoning>\nFinal Answer: 590" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 26 + 26 ** 2 - 27" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 26²=676, then 26+676-27=675.\n</reasoning>\nFinal Answer: 675" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mode of: [43, 74, 88, 60, 45, 77, 57]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {43: 1, 74: 1, 88: 1, 60: 1, 45: 1, 77: 1, 57: 1}. Most frequent: [43, 74, 88, 60, 45, 77, 57].\n</reasoning>\nFinal Answer: [43, 74, 88, 60, 45, 77...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 23 and common difference 6, find the 42th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 23 + (42-1)×6 = 23 + 246 = 269.\n</reasoning>\nFinal Answer: 269" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹29693 at 19% per annum for 2 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 29693 × 19 × 2 / 100 = 11283.34.\n</reasoning>\nFinal Answer: 11283.34" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 20x + 7 = -233" }, { "role": "assistant", "content": "<reasoning>\nSubtract 7 from both sides: 20x = -240. Divide by 20: x = -12.\n</reasoning>\nFinal Answer: -12" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 16x + 30 = 142" }, { "role": "assistant", "content": "<reasoning>\nSubtract 30 from both sides: 16x = 112. Divide by 16: x = 7.\n</reasoning>\nFinal Answer: 7" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -896 + 780" }, { "role": "assistant", "content": "<reasoning>\nAdd -896 and 780: -896 + 780 = -116.\n</reasoning>\nFinal Answer: -116" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 274 ÷ -911" }, { "role": "assistant", "content": "<reasoning>\nDivide 274 by -911. 274 ÷ -911 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -435 × 762" }, { "role": "assistant", "content": "<reasoning>\nMultiply -435 by 762: -435 × 762 = -331470.\n</reasoning>\nFinal Answer: -331470" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 9 + 6 ** 2 - 19" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 6²=36, then 9+36-19=26.\n</reasoning>\nFinal Answer: 26" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the next term in the sequence: [10, 20, 30, 40, 50]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 10 and common difference 10. Next term = 50 + 10 = 60.\n</reasoning>\nFinal Answer: 60" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 23x + 14 = -101" }, { "role": "assistant", "content": "<reasoning>\nSubtract 14 from both sides: 23x = -115. Divide by 23: x = -5.\n</reasoning>\nFinal Answer: -5" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 981 mod 623" }, { "role": "assistant", "content": "<reasoning>\n981 mod 623: 981 = 623 × 1 + 358, so remainder = 358.\n</reasoning>\nFinal Answer: 358" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -545 + -517" }, { "role": "assistant", "content": "<reasoning>\nAdd -545 and -517: -545 + -517 = -1062.\n</reasoning>\nFinal Answer: -1062" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (38 + 25) * (2 - 16)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (38+25)=63, (2-16)=-14, then 63×-14=-882.\n</reasoning>\nFinal Answer: -882" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 2/12 / 5/20" }, { "role": "assistant", "content": "<reasoning>\nDivide: (2/12) ÷ (5/20) = (2/12) × (20/5) = 2/3.\n</reasoning>\nFinal Answer: 2/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹828. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 828 × 12/100 = 99.36. Total = 828 + 99.36 = 927.36.\n</reasoning>\nFinal Answer: 927.36" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 21:30 and A = 75, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 21/30, so B = A × (30/21) = 75 × 30/21 = 107.1429.\n</reasoning>\nFinal Answer: 107.1429" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 21 + 30 * 12 - 36" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 30×12=360, then 21+360-36=345.\n</reasoning>\nFinal Answer: 345" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "8 workers can complete a job in 21 days. How many days will 7 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 8 × 21 = 168 worker-days. New time = 168 / 7 = 24.0 days.\n</reasoning>\nFinal Answer: 24.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "An item costs ₹2151. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 2151 × 12/100 = 258.12. Total = 2151 + 258.12 = 2409.12.\n</reasoning>\nFinal Answer: 2409.12" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 27:34 and A = 80, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 27/34, so B = A × (34/27) = 80 × 34/27 = 100.7407.\n</reasoning>\nFinal Answer: 100.7407" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 42, 25 and height 28." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (42+25) × 28 = 938.0.\n</reasoning>\nFinal Answer: 938.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 17/17 + 6/11" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 17/17 + 6/11. Common denominator = 11. Result = 17/11.\n</reasoning>\nFinal Answer: 17/11" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -748 mod -590" }, { "role": "assistant", "content": "<reasoning>\n-748 mod -590: -748 = -590 × 1 + -158, so remainder = -158.\n</reasoning>\nFinal Answer: -158" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Ravi has 130 apples and buys 106 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 130 + 106 = 236.\n</reasoning>\nFinal Answer: 236" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a triangle with base 12 and height 95." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 12 × 95 = 570.0.\n</reasoning>\nFinal Answer: 570.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "If the ratio of A to B is 15:14 and A = 10, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 15/14, so B = A × (14/15) = 10 × 14/15 = 9.3333.\n</reasoning>\nFinal Answer: 9.3333" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 592 × -576" }, { "role": "assistant", "content": "<reasoning>\nMultiply 592 by -576: 592 × -576 = -340992.\n</reasoning>\nFinal Answer: -340992" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 229 - 961" }, { "role": "assistant", "content": "<reasoning>\nSubtract 961 from 229: 229 - 961 = -732.\n</reasoning>\nFinal Answer: -732" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "15 workers can complete a job in 21 days. How many days will 2 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 15 × 21 = 315 worker-days. New time = 315 / 2 = 157.5 days.\n</reasoning>\nFinal Answer: 157.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [4, 5, 7, 12, 14, 15, 19] and B = [3, 4, 5, 11, 14, 15, 17, 18], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [3, 4, 5, 7, 11, 12, 14, 15, 17, 18, 19].\n</reasoning>\nFinal Answer:...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 974 + 628" }, { "role": "assistant", "content": "<reasoning>\nAdd 974 and 628: 974 + 628 = 1602.\n</reasoning>\nFinal Answer: 1602" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [69, 63, 60, 61, 98, 84]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {69: 1, 63: 1, 60: 1, 61: 1, 98: 1, 84: 1}. Most frequent: [69, 63, 60, 61, 98, 84].\n</reasoning>\nFinal Answer: [69, 63, 60, 61, 98, 84]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Solve for x: 14x + 28 = 322" }, { "role": "assistant", "content": "<reasoning>\nSubtract 28 from both sides: 14x = 294. Divide by 14: x = 21.\n</reasoning>\nFinal Answer: 21" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 12x + 22 = 190" }, { "role": "assistant", "content": "<reasoning>\nSubtract 22 from both sides: 12x = 168. Divide by 12: x = 14.\n</reasoning>\nFinal Answer: 14" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mean of: [55, 43, 100, 99, 26]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 323/5 = 64.6.\n</reasoning>\nFinal Answer: 64.6" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -501 ÷ -757" }, { "role": "assistant", "content": "<reasoning>\nDivide -501 by -757. -501 ÷ -757 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -545 mod 132" }, { "role": "assistant", "content": "<reasoning>\n-545 mod 132: -545 = 132 × -5 + 115, so remainder = 115.\n</reasoning>\nFinal Answer: 115" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 90 and height 100." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 90 × 100 = 9000.\n</reasoning>\nFinal Answer: 9000" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 39 apples and buys 174 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 39 + 174 = 213.\n</reasoning>\nFinal Answer: 213" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 18 and common difference 19, find the 38th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 18 + (38-1)×19 = 18 + 703 = 721.\n</reasoning>\nFinal Answer: 721" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 83 and 103." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(83,103) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the area of a triangle with base 33 and height 60." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 33 × 60 = 990.0.\n</reasoning>\nFinal Answer: 990.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "3 workers can complete a job in 7 days. How many days will 9 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 3 × 7 = 21 worker-days. New time = 21 / 9 = 2.3333 days.\n</reasoning>\nFinal Answer: 2.3333" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 28:23 and A = 30, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 28/23, so B = A × (23/28) = 30 × 23/28 = 24.6429.\n</reasoning>\nFinal Answer: 24.6429" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -422 mod -678" }, { "role": "assistant", "content": "<reasoning>\n-422 mod -678: -422 = -678 × 0 + -422, so remainder = -422.\n</reasoning>\nFinal Answer: -422" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 4/10 + 1/20" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 4/10 + 1/20. Common denominator = 20. Result = 9/20.\n</reasoning>\nFinal Answer: 9/20" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "219 is what percentage of 280?" }, { "role": "assistant", "content": "<reasoning>\n(219/280) × 100 = 78.2143%.\n</reasoning>\nFinal Answer: 78.2143%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "A bag has 3 red and 1 blue balls. What is the probability of drawing a blue ball?" }, { "role": "assistant", "content": "<reasoning>\nP(blue) = 1/4 = 0.25.\n</reasoning>\nFinal Answer: 0.25" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "If the ratio of A to B is 12:40 and A = 1, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 12/40, so B = A × (40/12) = 1 × 40/12 = 3.3333.\n</reasoning>\nFinal Answer: 3.3333" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -360 mod -552" }, { "role": "assistant", "content": "<reasoning>\n-360 mod -552: -360 = -552 × 0 + -360, so remainder = -360.\n</reasoning>\nFinal Answer: -360" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [8, 15, 98, 93, 65, 37, 96]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 98 - 8 = 90.\n</reasoning>\nFinal Answer: 90" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Simplify: 3/14 * 19/18" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (3/14) × (19/18) = (57/252) = 19/84 after simplification.\n</reasoning>\nFinal Answer: 19/84" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "A train travels at 142 km/h. How far does it travel in 7 hours and 17 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 7 + 17/60 = 7.2833 hours. Distance = speed × time = 142 × 7.2833 = 1034.2333 km.\n</reasoning>\nFinal Answer: 1034.2333" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -434 ÷ 925" }, { "role": "assistant", "content": "<reasoning>\nDivide -434 by 925. -434 ÷ 925 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 13 and height 67." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 13 × 67 = 435.5.\n</reasoning>\nFinal Answer: 435.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 17 + 23 ** 2 - 35" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 23²=529, then 17+529-35=511.\n</reasoning>\nFinal Answer: 511" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 2/4 / 10/1" }, { "role": "assistant", "content": "<reasoning>\nDivide: (2/4) ÷ (10/1) = (2/4) × (1/10) = 1/20.\n</reasoning>\nFinal Answer: 1/20" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [41, 30, 61, 6, 97, 64, 61]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {41: 1, 30: 1, 61: 2, 6: 1, 97: 1, 64: 1}. Most frequent: 61.\n</reasoning>\nFinal Answer: 61" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 10 and common difference 6, find the 30th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 10 + (30-1)×6 = 10 + 174 = 184.\n</reasoning>\nFinal Answer: 184" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Simplify: 13/7 * 14/17" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (13/7) × (14/17) = (182/119) = 26/17 after simplification.\n</reasoning>\nFinal Answer: 26/17" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 1/14 + 15/18" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 1/14 + 15/18. Common denominator = 42. Result = 19/21.\n</reasoning>\nFinal Answer: 19/21" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 133 and 139." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(133,139) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "135 is what percentage of 462?" }, { "role": "assistant", "content": "<reasoning>\n(135/462) × 100 = 29.2208%.\n</reasoning>\nFinal Answer: 29.2208%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the median of: [84, 28, 63, 91, 73, 21, 42, 42, 98]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [21, 28, 42, 42, 63, 73, 84, 91, 98]. Middle value(s) → median = 63.\n</reasoning>\nFinal Answer: 63" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate: 448 + -916" }, { "role": "assistant", "content": "<reasoning>\nAdd 448 and -916: 448 + -916 = -468.\n</reasoning>\nFinal Answer: -468" } ]
medium
[ "arithmetic", "computation" ]