messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the area of a rectangle with length 41 and width 9." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 41 × 9 = 369.\n</reasoning>\nFinal Answer: 369" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 9/10 + 5/10" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 9/10 + 5/10. Common denominator = 10. Result = 7/5.\n</reasoning>\nFinal Answer: 7/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 142 mod 175" }, { "role": "assistant", "content": "<reasoning>\n142 mod 175: 142 = 175 × 0 + 142, so remainder = 142.\n</reasoning>\nFinal Answer: 142" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "A train travels at 63 km/h. How far does it travel in 11 hours and 43 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 11 + 43/60 = 11.7167 hours. Distance = speed × time = 63 × 11.7167 = 738.15 km.\n</reasoning>\nFinal Answer: 738.15" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 48 and common difference 15, find the 47th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 48 + (47-1)×15 = 48 + 690 = 738.\n</reasoning>\nFinal Answer: 738" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 517 mod 714" }, { "role": "assistant", "content": "<reasoning>\n517 mod 714: 517 = 714 × 0 + 517, so remainder = 517.\n</reasoning>\nFinal Answer: 517" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 515 + -643" }, { "role": "assistant", "content": "<reasoning>\nAdd 515 and -643: 515 + -643 = -128.\n</reasoning>\nFinal Answer: -128" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 1/10 + 2/2" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 1/10 + 2/2. Common denominator = 10. Result = 11/10.\n</reasoning>\nFinal Answer: 11/10" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 857 mod -779" }, { "role": "assistant", "content": "<reasoning>\n857 mod -779: 857 = -779 × -2 + -701, so remainder = -701.\n</reasoning>\nFinal Answer: -701" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 11/5 / 8/11" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/5) ÷ (8/11) = (11/5) × (11/8) = 121/40.\n</reasoning>\nFinal Answer: 121/40" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 15/16 + 20/11" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 15/16 + 20/11. Common denominator = 176. Result = 485/176.\n</reasoning>\nFinal Answer: 485/176" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹18790 at 18% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 18790 × 18 × 1 / 100 = 3382.2.\n</reasoning>\nFinal Answer: 3382.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 8/11 * 16/6" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (8/11) × (16/6) = (128/66) = 64/33 after simplification.\n</reasoning>\nFinal Answer: 64/33" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Given A = [1, 7, 11] and B = [3, 4, 9, 10, 14, 15], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [1, 3, 4, 7, 9, 10, 11, 14, 15].\n</reasoning>\nFinal Answer:...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Evaluate using order of operations: 34 * 39 + 39 * 14" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 34×39=1326 and 39×14=546, then add: 1872.\n</reasoning>\nFinal Answer: 1872" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 69 and width 38." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(69+38) = 2×107 = 214.\n</reasoning>\nFinal Answer: 214" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Increase 612 by 60%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 60%: 612 × (1 + 60/100) = 612 × 1.6 = 979.2.\n</reasoning>\nFinal Answer: 979.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "9 is what percentage of 364?" }, { "role": "assistant", "content": "<reasoning>\n(9/364) × 100 = 2.4725%.\n</reasoning>\nFinal Answer: 2.4725%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 100 and width 54." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(100+54) = 2×154 = 308.\n</reasoning>\nFinal Answer: 308" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve for x: 7x + 16 = -278" }, { "role": "assistant", "content": "<reasoning>\nSubtract 16 from both sides: 7x = -294. Divide by 7: x = -42.\n</reasoning>\nFinal Answer: -42" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 33, 32 and height 37." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (33+32) × 37 = 1202.5.\n</reasoning>\nFinal Answer: 1202.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the next term in the sequence: [42, 57, 72, 87, 102]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 42 and common difference 15. Next term = 102 + 15 = 117.\n</reasoning>\nFinal Answer: 117" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the mean of: [33, 14, 100, 50, 53, 87, 70, 56, 99]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 562/9 = 62.4444.\n</reasoning>\nFinal Answer: 62.4444" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 70 and height 51." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 70 × 51 = 3570.\n</reasoning>\nFinal Answer: 3570" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: (45 + 36) * (20 - 32)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (45+36)=81, (20-32)=-12, then 81×-12=-972.\n</reasoning>\nFinal Answer: -972" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -232 mod -603" }, { "role": "assistant", "content": "<reasoning>\n-232 mod -603: -232 = -603 × 0 + -232, so remainder = -232.\n</reasoning>\nFinal Answer: -232" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [9, 100, 43, 84, 73, 43, 46, 96, 51]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {9: 1, 100: 1, 43: 2, 84: 1, 73: 1, 46: 1, 96: 1, 51: 1}. Most frequent: 43.\n</reasoning>\nFinal Answer: 43" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "If the ratio of A to B is 47:25 and A = 62, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 47/25, so B = A × (25/47) = 62 × 25/47 = 32.9787.\n</reasoning>\nFinal Answer: 32.9787" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the range of: [3, 81, 43, 41, 1, 56, 24, 22, 64, 36]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 81 - 1 = 80.\n</reasoning>\nFinal Answer: 80" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Simplify: 6/17 + 9/4" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 6/17 + 9/4. Common denominator = 68. Result = 177/68.\n</reasoning>\nFinal Answer: 177/68" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "What is 65% of 127?" }, { "role": "assistant", "content": "<reasoning>\n65% of 127 = (65/100) × 127 = 82.55.\n</reasoning>\nFinal Answer: 82.55" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Ravi has 154 apples and buys 22 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 154 + 22 = 176.\n</reasoning>\nFinal Answer: 176" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 6 × 249" }, { "role": "assistant", "content": "<reasoning>\nMultiply 6 by 249: 6 × 249 = 1494.\n</reasoning>\nFinal Answer: 1494" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 22x + 38 = -666" }, { "role": "assistant", "content": "<reasoning>\nSubtract 38 from both sides: 22x = -704. Divide by 22: x = -32.\n</reasoning>\nFinal Answer: -32" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 18/16 - 13/4" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 18/16 - 13/4. LCD = 8. Result = -17/8.\n</reasoning>\nFinal Answer: -17/8" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 700 ÷ 918" }, { "role": "assistant", "content": "<reasoning>\nDivide 700 by 918. 700 ÷ 918 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 1/19 - 9/5" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 1/19 - 9/5. LCD = 95. Result = -166/95.\n</reasoning>\nFinal Answer: -166/95" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 5 + -589" }, { "role": "assistant", "content": "<reasoning>\nAdd 5 and -589: 5 + -589 = -584.\n</reasoning>\nFinal Answer: -584" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the median of: [99, 68, 77, 12, 50, 94, 20, 15]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [12, 15, 20, 50, 68, 77, 94, 99]. Middle value(s) → median = 59.0.\n</reasoning>\nFinal Answer: 59.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate: -228 ÷ 951" }, { "role": "assistant", "content": "<reasoning>\nDivide -228 by 951. -228 ÷ 951 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Decrease 349 by 65%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 65%: 349 × (1 - 65/100) = 349 × 0.35 = 122.15.\n</reasoning>\nFinal Answer: 122.15" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 19x + -4 = 110" }, { "role": "assistant", "content": "<reasoning>\nSubtract -4 from both sides: 19x = 114. Divide by 19: x = 6.\n</reasoning>\nFinal Answer: 6" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 20 and 46." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (20×46)/2 = 460.\n</reasoning>\nFinal Answer: 460" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 76 and 153." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(76,153) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: -909 - 222" }, { "role": "assistant", "content": "<reasoning>\nSubtract 222 from -909: -909 - 222 = -1131.\n</reasoning>\nFinal Answer: -1131" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -135 - -228" }, { "role": "assistant", "content": "<reasoning>\nSubtract -228 from -135: -135 - -228 = 93.\n</reasoning>\nFinal Answer: 93" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 8/13 - 18/4" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 8/13 - 18/4. LCD = 26. Result = -101/26.\n</reasoning>\nFinal Answer: -101/26" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 1/19 / 4/6" }, { "role": "assistant", "content": "<reasoning>\nDivide: (1/19) ÷ (4/6) = (1/19) × (6/4) = 3/38.\n</reasoning>\nFinal Answer: 3/38" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "A train travels at 147 km/h. How far does it travel in 4 hours and 5 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 4 + 5/60 = 4.0833 hours. Distance = speed × time = 147 × 4.0833 = 600.25 km.\n</reasoning>\nFinal Answer: 600.25" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 27x + 16 = -335" }, { "role": "assistant", "content": "<reasoning>\nSubtract 16 from both sides: 27x = -351. Divide by 27: x = -13.\n</reasoning>\nFinal Answer: -13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Given A = [3, 6, 7, 11, 12] and B = [1, 3, 8, 10, 13, 14, 17], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [1, 6, 7, 8, 10, 11, 12, 13, 14, 17].\n</reasoning...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Evaluate using order of operations: (33 + 34) * (44 - 34)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (33+34)=67, (44-34)=10, then 67×10=670.\n</reasoning>\nFinal Answer: 670" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Increase 302 by 40%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 40%: 302 × (1 + 40/100) = 302 × 1.4 = 422.8.\n</reasoning>\nFinal Answer: 422.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 3/20 - 4/14" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 3/20 - 4/14. LCD = 140. Result = -19/140.\n</reasoning>\nFinal Answer: -19/140" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 46 + 11 ** 2 - 18" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 11²=121, then 46+121-18=149.\n</reasoning>\nFinal Answer: 149" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 2x + 49 = 59" }, { "role": "assistant", "content": "<reasoning>\nSubtract 49 from both sides: 2x = 10. Divide by 2: x = 5.\n</reasoning>\nFinal Answer: 5" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the median of: [15, 3, 81, 86, 80, 84, 16]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [3, 15, 16, 80, 81, 84, 86]. Middle value(s) → median = 80.\n</reasoning>\nFinal Answer: 80" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 81 and width 56." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(81+56) = 2×137 = 274.\n</reasoning>\nFinal Answer: 274" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "If the ratio of A to B is 32:21 and A = 25, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 32/21, so B = A × (21/32) = 25 × 21/32 = 16.4062.\n</reasoning>\nFinal Answer: 16.4062" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the median of: [20, 98, 44, 35, 29, 52, 48, 76, 24]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [20, 24, 29, 35, 44, 48, 52, 76, 98]. Middle value(s) → median = 44.\n</reasoning>\nFinal Answer: 44" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Solve for x: 12x + -45 = -357" }, { "role": "assistant", "content": "<reasoning>\nSubtract -45 from both sides: 12x = -312. Divide by 12: x = -26.\n</reasoning>\nFinal Answer: -26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 8x + 33 = -79" }, { "role": "assistant", "content": "<reasoning>\nSubtract 33 from both sides: 8x = -112. Divide by 8: x = -14.\n</reasoning>\nFinal Answer: -14" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 70 mod -815" }, { "role": "assistant", "content": "<reasoning>\n70 mod -815: 70 = -815 × -1 + -745, so remainder = -745.\n</reasoning>\nFinal Answer: -745" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "500 is what percentage of 601?" }, { "role": "assistant", "content": "<reasoning>\n(500/601) × 100 = 83.1947%.\n</reasoning>\nFinal Answer: 83.1947%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 22, 49 and height 2." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (22+49) × 2 = 71.0.\n</reasoning>\nFinal Answer: 71.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 27 * 26 + 11 * 9" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 27×26=702 and 11×9=99, then add: 801.\n</reasoning>\nFinal Answer: 801" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 6, 10, and 12." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 6 + 10 + 12 = 28.\n</reasoning>\nFinal Answer: 28" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve for x: 6x + -20 = 16" }, { "role": "assistant", "content": "<reasoning>\nSubtract -20 from both sides: 6x = 36. Divide by 6: x = 6.\n</reasoning>\nFinal Answer: 6" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -212 + 287" }, { "role": "assistant", "content": "<reasoning>\nAdd -212 and 287: -212 + 287 = 75.\n</reasoning>\nFinal Answer: 75" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -431 - -427" }, { "role": "assistant", "content": "<reasoning>\nSubtract -427 from -431: -431 - -427 = -4.\n</reasoning>\nFinal Answer: -4" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 28x + 42 = 1358" }, { "role": "assistant", "content": "<reasoning>\nSubtract 42 from both sides: 28x = 1316. Divide by 28: x = 47.\n</reasoning>\nFinal Answer: 47" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 9x + -32 = 220" }, { "role": "assistant", "content": "<reasoning>\nSubtract -32 from both sides: 9x = 252. Divide by 9: x = 28.\n</reasoning>\nFinal Answer: 28" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 199 and 182." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(199,182) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "If the ratio of A to B is 12:5 and A = 59, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 12/5, so B = A × (5/12) = 59 × 5/12 = 24.5833.\n</reasoning>\nFinal Answer: 24.5833" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 15x + -45 = -390" }, { "role": "assistant", "content": "<reasoning>\nSubtract -45 from both sides: 15x = -345. Divide by 15: x = -23.\n</reasoning>\nFinal Answer: -23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 21x + -27 = 939" }, { "role": "assistant", "content": "<reasoning>\nSubtract -27 from both sides: 21x = 966. Divide by 21: x = 46.\n</reasoning>\nFinal Answer: 46" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 634 km apart. Their speeds are 72 km/h and 47 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 72+47=119 km/h. Time = 634/119 = 5.3277 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "A train travels at 122 km/h. How far does it travel in 1 hours and 25 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 1 + 25/60 = 1.4167 hours. Distance = speed × time = 122 × 1.4167 = 172.8333 km.\n</reasoning>\nFinal Answer: 172.8333" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹29156 at 17% per annum for 3 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 29156 × 17 × 3 / 100 = 14869.56.\n</reasoning>\nFinal Answer: 14869.56" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 25x + -9 = -884" }, { "role": "assistant", "content": "<reasoning>\nSubtract -9 from both sides: 25x = -875. Divide by 25: x = -35.\n</reasoning>\nFinal Answer: -35" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 3/5 - 18/16" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 3/5 - 18/16. LCD = 40. Result = -21/40.\n</reasoning>\nFinal Answer: -21/40" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 11/17 + 12/18" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 11/17 + 12/18. Common denominator = 51. Result = 67/51.\n</reasoning>\nFinal Answer: 67/51" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 11/8 / 17/13" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/8) ÷ (17/13) = (11/8) × (13/17) = 143/136.\n</reasoning>\nFinal Answer: 143/136" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Is 154 a prime number? Answer Yes or No." }, { "role": "assistant", "content": "<reasoning>\n154 = 2 × 77, so it is not prime.\n</reasoning>\nFinal Answer: No" } ]
easy
[ "number_theory", "prime" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 36 and 19." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (36×19)/1 = 684.\n</reasoning>\nFinal Answer: 684" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Solve for x: 27x + -45 = 1008" }, { "role": "assistant", "content": "<reasoning>\nSubtract -45 from both sides: 27x = 1053. Divide by 27: x = 39.\n</reasoning>\nFinal Answer: 39" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 44:13 and A = 69, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 44/13, so B = A × (13/44) = 69 × 13/44 = 20.3864.\n</reasoning>\nFinal Answer: 20.3864" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -494 + 204" }, { "role": "assistant", "content": "<reasoning>\nAdd -494 and 204: -494 + 204 = -290.\n</reasoning>\nFinal Answer: -290" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [1, 3, 4, 6, 11, 12] and B = [2, 13, 15, 16, 18], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [1, 3, 4, 6, 11, 12].\n</reasoning>\nFinal Answer: [1, 3, 4, 6, 11, 12]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Increase 709 by 3%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 3%: 709 × (1 + 3/100) = 709 × 1.03 = 730.27.\n</reasoning>\nFinal Answer: 730.27" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹49101 at 18% per annum for 8 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 49101 × 18 × 8 / 100 = 70705.44.\n</reasoning>\nFinal Answer: 70705.44" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 396 - -30" }, { "role": "assistant", "content": "<reasoning>\nSubtract -30 from 396: 396 - -30 = 426.\n</reasoning>\nFinal Answer: 426" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -783 ÷ -412" }, { "role": "assistant", "content": "<reasoning>\nDivide -783 by -412. -783 ÷ -412 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 22x + 43 = -177" }, { "role": "assistant", "content": "<reasoning>\nSubtract 43 from both sides: 22x = -220. Divide by 22: x = -10.\n</reasoning>\nFinal Answer: -10" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -128 ÷ 108" }, { "role": "assistant", "content": "<reasoning>\nDivide -128 by 108. -128 ÷ 108 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 24:21 and A = 100, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 24/21, so B = A × (21/24) = 100 × 21/24 = 87.5.\n</reasoning>\nFinal Answer: 87.5" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 6x + -37 = -223" }, { "role": "assistant", "content": "<reasoning>\nSubtract -37 from both sides: 6x = -186. Divide by 6: x = -31.\n</reasoning>\nFinal Answer: -31" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 597 × 218" }, { "role": "assistant", "content": "<reasoning>\nMultiply 597 by 218: 597 × 218 = 130146.\n</reasoning>\nFinal Answer: 130146" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹29545 at 19% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 29545 × 19 × 1 / 100 = 5613.55.\n</reasoning>\nFinal Answer: 5613.55" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 98 and 180." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(98,180) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]