messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Solve for x: 17x + 19 = -644" }, { "role": "assistant", "content": "<reasoning>\nSubtract 19 from both sides: 17x = -663. Divide by 17: x = -39.\n</reasoning>\nFinal Answer: -39" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 3x + -44 = -74" }, { "role": "assistant", "content": "<reasoning>\nSubtract -44 from both sides: 3x = -30. Divide by 3: x = -10.\n</reasoning>\nFinal Answer: -10" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the next term in the sequence: [7, 24, 41, 58, 75]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 7 and common difference 17. Next term = 75 + 17 = 92.\n</reasoning>\nFinal Answer: 92" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Evaluate using order of operations: 40 + 16 * 49 - 28" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 16×49=784, then 40+784-28=796.\n</reasoning>\nFinal Answer: 796" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 34 + -764" }, { "role": "assistant", "content": "<reasoning>\nAdd 34 and -764: 34 + -764 = -730.\n</reasoning>\nFinal Answer: -730" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹22229 at 15% per annum for 7 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 22229 × 15 × 7 / 100 = 23340.45.\n</reasoning>\nFinal Answer: 23340.45" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 16 and 14." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (16×14)/2 = 112.\n</reasoning>\nFinal Answer: 112" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "If the ratio of A to B is 12:2 and A = 98, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 12/2, so B = A × (2/12) = 98 × 2/12 = 16.3333.\n</reasoning>\nFinal Answer: 16.3333" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Given A = [2, 11, 13] and B = [1, 2, 9, 13, 18], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 2, 9, 11, 13, 18].\n</reasoning>\nFinal Answer: [1, 2, 9, 11, 13, 18]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Solve for x: 17x + 15 = 593" }, { "role": "assistant", "content": "<reasoning>\nSubtract 15 from both sides: 17x = 578. Divide by 17: x = 34.\n</reasoning>\nFinal Answer: 34" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 24 + 23 ** 2 - 6" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 23²=529, then 24+529-6=547.\n</reasoning>\nFinal Answer: 547" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 60 and width 10." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(60+10) = 2×70 = 140.\n</reasoning>\nFinal Answer: 140" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 18 and common difference 15, find the 29th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 18 + (29-1)×15 = 18 + 420 = 438.\n</reasoning>\nFinal Answer: 438" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 10 and 9." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (10×9)/1 = 90.\n</reasoning>\nFinal Answer: 90" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Ravi has 182 apples and buys 130 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 182 + 130 = 312.\n</reasoning>\nFinal Answer: 312" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 19, 50 and height 49." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (19+50) × 49 = 1690.5.\n</reasoning>\nFinal Answer: 1690.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mean of: [10, 57, 7, 83, 99, 4, 92]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 352/7 = 50.2857.\n</reasoning>\nFinal Answer: 50.2857" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -969 ÷ 727" }, { "role": "assistant", "content": "<reasoning>\nDivide -969 by 727. -969 ÷ 727 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 675 - -317" }, { "role": "assistant", "content": "<reasoning>\nSubtract -317 from 675: 675 - -317 = 992.\n</reasoning>\nFinal Answer: 992" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 53 and height 26." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 53 × 26 = 689.0.\n</reasoning>\nFinal Answer: 689.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "186 is what percentage of 858?" }, { "role": "assistant", "content": "<reasoning>\n(186/858) × 100 = 21.6783%.\n</reasoning>\nFinal Answer: 21.6783%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Calculate: 565 - -991" }, { "role": "assistant", "content": "<reasoning>\nSubtract -991 from 565: 565 - -991 = 1556.\n</reasoning>\nFinal Answer: 1556" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [3, 7, 11, 15, 17] and B = [1, 5, 8, 11, 12, 16], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [1, 3, 5, 7, 8, 12, 15, 16, 17].\n</reasoning>\nFinal...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Solve for x: 10x + 41 = 461" }, { "role": "assistant", "content": "<reasoning>\nSubtract 41 from both sides: 10x = 420. Divide by 10: x = 42.\n</reasoning>\nFinal Answer: 42" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve: 2x² + (-2)x + (-144) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -2² - 4×2×-144 = 1156. √discriminant = 34. x = (-(-2) ± 34) / (2×2). Solutions: x = -8 or x = 9.\n</reasoning>\nFinal Answer: x = -8 or x = 9"...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Calculate: -45 - 908" }, { "role": "assistant", "content": "<reasoning>\nSubtract 908 from -45: -45 - 908 = -953.\n</reasoning>\nFinal Answer: -953" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "An item costs ₹627. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 627 × 18/100 = 112.86. Total = 627 + 112.86 = 739.86.\n</reasoning>\nFinal Answer: 739.86" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹22120 at 5% per annum for 3 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 22120 × 5 × 3 / 100 = 3318.0.\n</reasoning>\nFinal Answer: 3318.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹44524 at 6% per annum for 10 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 44524 × 6 × 10 / 100 = 26714.4.\n</reasoning>\nFinal Answer: 26714.4" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: (30 + 24) * (23 - 3)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (30+24)=54, (23-3)=20, then 54×20=1080.\n</reasoning>\nFinal Answer: 1080" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 20x + 48 = -832" }, { "role": "assistant", "content": "<reasoning>\nSubtract 48 from both sides: 20x = -880. Divide by 20: x = -44.\n</reasoning>\nFinal Answer: -44" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 6/12 + 13/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 6/12 + 13/1. Common denominator = 2. Result = 27/2.\n</reasoning>\nFinal Answer: 27/2" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -55 mod 598" }, { "role": "assistant", "content": "<reasoning>\n-55 mod 598: -55 = 598 × -1 + 543, so remainder = 543.\n</reasoning>\nFinal Answer: 543" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 18/17 - 13/5" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 18/17 - 13/5. LCD = 85. Result = -131/85.\n</reasoning>\nFinal Answer: -131/85" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹46522 at 9% per annum for 8 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 46522 × 9 × 8 / 100 = 33495.84.\n</reasoning>\nFinal Answer: 33495.84" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "An item costs ₹4543. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4543 × 12/100 = 545.16. Total = 4543 + 545.16 = 5088.16.\n</reasoning>\nFinal Answer: 5088.16" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "68 is what percentage of 237?" }, { "role": "assistant", "content": "<reasoning>\n(68/237) × 100 = 28.692%.\n</reasoning>\nFinal Answer: 28.692%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Solve for x: 14x + -8 = -708" }, { "role": "assistant", "content": "<reasoning>\nSubtract -8 from both sides: 14x = -700. Divide by 14: x = -50.\n</reasoning>\nFinal Answer: -50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "75 is what percentage of 227?" }, { "role": "assistant", "content": "<reasoning>\n(75/227) × 100 = 33.0396%.\n</reasoning>\nFinal Answer: 33.0396%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Decrease 313 by 12%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 12%: 313 × (1 - 12/100) = 313 × 0.88 = 275.44.\n</reasoning>\nFinal Answer: 275.44" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the next term in the sequence: [12, 24, 36, 48, 60]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 12 and common difference 12. Next term = 60 + 12 = 72.\n</reasoning>\nFinal Answer: 72" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 8x + -35 = -219" }, { "role": "assistant", "content": "<reasoning>\nSubtract -35 from both sides: 8x = -184. Divide by 8: x = -23.\n</reasoning>\nFinal Answer: -23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 31 and 7." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (31×7)/1 = 217.\n</reasoning>\nFinal Answer: 217" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Evaluate using order of operations: 50 + 18 * 38 - 39" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 18×38=684, then 50+684-39=695.\n</reasoning>\nFinal Answer: 695" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 790 - 165" }, { "role": "assistant", "content": "<reasoning>\nSubtract 165 from 790: 790 - 165 = 625.\n</reasoning>\nFinal Answer: 625" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Ravi has 130 apples and buys 10 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 130 + 10 = 140.\n</reasoning>\nFinal Answer: 140" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 318 mod 172" }, { "role": "assistant", "content": "<reasoning>\n318 mod 172: 318 = 172 × 1 + 146, so remainder = 146.\n</reasoning>\nFinal Answer: 146" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 18x + -14 = -410" }, { "role": "assistant", "content": "<reasoning>\nSubtract -14 from both sides: 18x = -396. Divide by 18: x = -22.\n</reasoning>\nFinal Answer: -22" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 12/3 + 2/7" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 12/3 + 2/7. Common denominator = 7. Result = 30/7.\n</reasoning>\nFinal Answer: 30/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [9, 5, 47, 98, 31, 79, 53, 100]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {9: 1, 5: 1, 47: 1, 98: 1, 31: 1, 79: 1, 53: 1, 100: 1}. Most frequent: [9, 5, 47, 98, 31, 79, 53, 100].\n</reasoning>\nFinal Answer: [9, 5, 47, ...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 19, 12 and height 13." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (19+12) × 13 = 201.5.\n</reasoning>\nFinal Answer: 201.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 7/19 + 4/7" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 7/19 + 4/7. Common denominator = 133. Result = 125/133.\n</reasoning>\nFinal Answer: 125/133" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Increase 176 by 35%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 35%: 176 × (1 + 35/100) = 176 × 1.35 = 237.6.\n</reasoning>\nFinal Answer: 237.6" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 49 * 38 + 41 * 41" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 49×38=1862 and 41×41=1681, then add: 3543.\n</reasoning>\nFinal Answer: 3543" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a triangle with base 16 and height 56." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 16 × 56 = 448.0.\n</reasoning>\nFinal Answer: 448.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the range of: [1, 67, 52, 91, 3, 83, 3, 66, 44]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 91 - 1 = 90.\n</reasoning>\nFinal Answer: 90" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "An item costs ₹1255. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1255 × 5/100 = 62.75. Total = 1255 + 62.75 = 1317.75.\n</reasoning>\nFinal Answer: 1317.75" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 16x + 33 = 385" }, { "role": "assistant", "content": "<reasoning>\nSubtract 33 from both sides: 16x = 352. Divide by 16: x = 22.\n</reasoning>\nFinal Answer: 22" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 780 ÷ 667" }, { "role": "assistant", "content": "<reasoning>\nDivide 780 by 667. 780 ÷ 667 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -366 mod 152" }, { "role": "assistant", "content": "<reasoning>\n-366 mod 152: -366 = 152 × -3 + 90, so remainder = 90.\n</reasoning>\nFinal Answer: 90" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 44, 28 and height 5." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (44+28) × 5 = 180.0.\n</reasoning>\nFinal Answer: 180.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "If the ratio of A to B is 10:22 and A = 66, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 10/22, so B = A × (22/10) = 66 × 22/10 = 145.2.\n</reasoning>\nFinal Answer: 145.2" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 848 ÷ -692" }, { "role": "assistant", "content": "<reasoning>\nDivide 848 by -692. 848 ÷ -692 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 514 mod 822" }, { "role": "assistant", "content": "<reasoning>\n514 mod 822: 514 = 822 × 0 + 514, so remainder = 514.\n</reasoning>\nFinal Answer: 514" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 21 and 21." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (21×21)/21 = 21.\n</reasoning>\nFinal Answer: 21" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Calculate: 389 + -111" }, { "role": "assistant", "content": "<reasoning>\nAdd 389 and -111: 389 + -111 = 278.\n</reasoning>\nFinal Answer: 278" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the median of: [44, 23, 18, 7, 58, 66, 77, 84]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [7, 18, 23, 44, 58, 66, 77, 84]. Middle value(s) → median = 51.0.\n</reasoning>\nFinal Answer: 51.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Evaluate using order of operations: 17 * 37 + 31 * 48" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 17×37=629 and 31×48=1488, then add: 2117.\n</reasoning>\nFinal Answer: 2117" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the median of: [50, 2, 85, 15, 29, 94]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [2, 15, 29, 50, 85, 94]. Middle value(s) → median = 39.5.\n</reasoning>\nFinal Answer: 39.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Increase 397 by 65%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 65%: 397 × (1 + 65/100) = 397 × 1.65 = 655.05.\n</reasoning>\nFinal Answer: 655.05" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 281 ÷ -680" }, { "role": "assistant", "content": "<reasoning>\nDivide 281 by -680. 281 ÷ -680 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the median of: [26, 15, 60, 31, 43, 94, 84, 55, 66]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [15, 26, 31, 43, 55, 60, 66, 84, 94]. Middle value(s) → median = 55.\n</reasoning>\nFinal Answer: 55" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 3 and height 33." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 3 × 33 = 99.\n</reasoning>\nFinal Answer: 99" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "An item costs ₹2299. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 2299 × 18/100 = 413.82. Total = 2299 + 413.82 = 2712.82.\n</reasoning>\nFinal Answer: 2712.82" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 27 + 48 * 25 - 12" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 48×25=1200, then 27+1200-12=1215.\n</reasoning>\nFinal Answer: 1215" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 2/5 * 3/14" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (2/5) × (3/14) = (6/70) = 3/35 after simplification.\n</reasoning>\nFinal Answer: 3/35" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 19 - 42" }, { "role": "assistant", "content": "<reasoning>\nSubtract 42 from 19: 19 - 42 = -23.\n</reasoning>\nFinal Answer: -23" } ]
easy
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -5 + -70" }, { "role": "assistant", "content": "<reasoning>\nAdd -5 and -70: -5 + -70 = -75.\n</reasoning>\nFinal Answer: -75" } ]
easy
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "A train travels at 124 km/h. How far does it travel in 5 hours and 18 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 5 + 18/60 = 5.3000 hours. Distance = speed × time = 124 × 5.3000 = 657.2 km.\n</reasoning>\nFinal Answer: 657.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the range of: [49, 54, 74, 17, 7, 52]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 74 - 7 = 67.\n</reasoning>\nFinal Answer: 67" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Decrease 269 by 100%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 100%: 269 × (1 - 100/100) = 269 × 0.0 = 0.0.\n</reasoning>\nFinal Answer: 0.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a triangle with base 1 and height 29." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 1 × 29 = 14.5.\n</reasoning>\nFinal Answer: 14.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 4x + 20 = -92" }, { "role": "assistant", "content": "<reasoning>\nSubtract 20 from both sides: 4x = -112. Divide by 4: x = -28.\n</reasoning>\nFinal Answer: -28" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 941 × 319" }, { "role": "assistant", "content": "<reasoning>\nMultiply 941 by 319: 941 × 319 = 300179.\n</reasoning>\nFinal Answer: 300179" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 59 and width 23." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(59+23) = 2×82 = 164.\n</reasoning>\nFinal Answer: 164" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the mean of: [40, 11, 95, 53, 68, 99, 94, 81, 46, 65]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 652/10 = 65.2.\n</reasoning>\nFinal Answer: 65.2" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 19x + 17 = -515" }, { "role": "assistant", "content": "<reasoning>\nSubtract 17 from both sides: 19x = -532. Divide by 19: x = -28.\n</reasoning>\nFinal Answer: -28" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹30437 at 20% per annum for 3 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 30437 × 20 × 3 / 100 = 18262.2.\n</reasoning>\nFinal Answer: 18262.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 2/14 / 10/19" }, { "role": "assistant", "content": "<reasoning>\nDivide: (2/14) ÷ (10/19) = (2/14) × (19/10) = 19/70.\n</reasoning>\nFinal Answer: 19/70" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 138 and 18." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(138,18) = 6.\n</reasoning>\nFinal Answer: 6" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: 91 + -55" }, { "role": "assistant", "content": "<reasoning>\nAdd 91 and -55: 91 + -55 = 36.\n</reasoning>\nFinal Answer: 36" } ]
easy
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Ravi has 159 apples and buys 89 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 159 + 89 = 248.\n</reasoning>\nFinal Answer: 248" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "A train travels at 62 km/h. How far does it travel in 11 hours and 37 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 11 + 37/60 = 11.6167 hours. Distance = speed × time = 62 × 11.6167 = 720.2333 km.\n</reasoning>\nFinal Answer: 720.2333" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the range of: [2, 42, 66, 51, 6, 77, 87, 69]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 87 - 2 = 85.\n</reasoning>\nFinal Answer: 85" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 800 km apart. Their speeds are 76 km/h and 86 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 76+86=162 km/h. Time = 800/162 = 4.9383 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "An item costs ₹3125. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3125 × 12/100 = 375.0. Total = 3125 + 375.0 = 3500.0.\n</reasoning>\nFinal Answer: 3500.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "18 workers can complete a job in 27 days. How many days will 10 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 18 × 27 = 486 worker-days. New time = 486 / 10 = 48.6 days.\n</reasoning>\nFinal Answer: 48.6" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "A train travels at 56 km/h. How far does it travel in 7 hours and 59 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 7 + 59/60 = 7.9833 hours. Distance = speed × time = 56 × 7.9833 = 447.0667 km.\n</reasoning>\nFinal Answer: 447.0667" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Decrease 278 by 50%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 50%: 278 × (1 - 50/100) = 278 × 0.5 = 139.0.\n</reasoning>\nFinal Answer: 139.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 26:31 and A = 45, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 26/31, so B = A × (31/26) = 45 × 31/26 = 53.6538.\n</reasoning>\nFinal Answer: 53.6538" } ]
medium
[ "ratio", "proportion" ]