messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 38 and width 23." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(38+23) = 2×61 = 122.\n</reasoning>\nFinal Answer: 122" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Solve for x: 3x + -45 = -171" }, { "role": "assistant", "content": "<reasoning>\nSubtract -45 from both sides: 3x = -126. Divide by 3: x = -42.\n</reasoning>\nFinal Answer: -42" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 10x + -18 = -18" }, { "role": "assistant", "content": "<reasoning>\nSubtract -18 from both sides: 10x = 0. Divide by 10: x = 0.\n</reasoning>\nFinal Answer: 0" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 10x + -48 = -178" }, { "role": "assistant", "content": "<reasoning>\nSubtract -48 from both sides: 10x = -130. Divide by 10: x = -13.\n</reasoning>\nFinal Answer: -13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 8/10 + 5/7" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 8/10 + 5/7. Common denominator = 35. Result = 53/35.\n</reasoning>\nFinal Answer: 53/35" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the prime factorization of 339." }, { "role": "assistant", "content": "<reasoning>\nDivide 339 by smallest primes repeatedly: 339 = 3 × 113.\n</reasoning>\nFinal Answer: 3 × 113" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Solve for x: 28x + -37 = 859" }, { "role": "assistant", "content": "<reasoning>\nSubtract -37 from both sides: 28x = 896. Divide by 28: x = 32.\n</reasoning>\nFinal Answer: 32" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 38 and 46." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (38×46)/2 = 874.\n</reasoning>\nFinal Answer: 874" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Simplify: 20/19 - 3/15" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 20/19 - 3/15. LCD = 95. Result = 81/95.\n</reasoning>\nFinal Answer: 81/95" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -746 + 162" }, { "role": "assistant", "content": "<reasoning>\nAdd -746 and 162: -746 + 162 = -584.\n</reasoning>\nFinal Answer: -584" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 995 km apart. Their speeds are 91 km/h and 94 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 91+94=185 km/h. Time = 995/185 = 5.3784 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Increase 145 by 75%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 75%: 145 × (1 + 75/100) = 145 × 1.75 = 253.75.\n</reasoning>\nFinal Answer: 253.75" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -535 - 304" }, { "role": "assistant", "content": "<reasoning>\nSubtract 304 from -535: -535 - 304 = -839.\n</reasoning>\nFinal Answer: -839" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 15/2 * 11/6" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (15/2) × (11/6) = (165/12) = 55/4 after simplification.\n</reasoning>\nFinal Answer: 55/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Given A = [1, 2, 3, 5, 8, 12, 15, 19] and B = [4, 5, 6, 9, 12, 13, 18, 19], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 2, 3, 4, 5, 6, 8, 9, 12, 13, 15, 18, 19].\n</reasoning>\nFinal An...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Solve for x: 18x + 21 = 75" }, { "role": "assistant", "content": "<reasoning>\nSubtract 21 from both sides: 18x = 54. Divide by 18: x = 3.\n</reasoning>\nFinal Answer: 3" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 30x + -32 = 448" }, { "role": "assistant", "content": "<reasoning>\nSubtract -32 from both sides: 30x = 480. Divide by 30: x = 16.\n</reasoning>\nFinal Answer: 16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "18 workers can complete a job in 10 days. How many days will 10 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 18 × 10 = 180 worker-days. New time = 180 / 10 = 18.0 days.\n</reasoning>\nFinal Answer: 18.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "An item costs ₹4076. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4076 × 18/100 = 733.68. Total = 4076 + 733.68 = 4809.68.\n</reasoning>\nFinal Answer: 4809.68" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 23x + 21 = 642" }, { "role": "assistant", "content": "<reasoning>\nSubtract 21 from both sides: 23x = 621. Divide by 23: x = 27.\n</reasoning>\nFinal Answer: 27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 100 and height 27." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 100 × 27 = 2700.\n</reasoning>\nFinal Answer: 2700" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the median of: [8, 38, 30, 56, 60, 6, 90]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [6, 8, 30, 38, 56, 60, 90]. Middle value(s) → median = 38.\n</reasoning>\nFinal Answer: 38" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Given A = [3, 5, 9, 10, 11, 13, 18, 19] and B = [9, 14, 15], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [3, 5, 9, 10, 11, 13, 14, 15, 18, 19].\n</reasoning>\nFinal Answer: [3, 5, 9, 10, 11...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: -962 - 603" }, { "role": "assistant", "content": "<reasoning>\nSubtract 603 from -962: -962 - 603 = -1565.\n</reasoning>\nFinal Answer: -1565" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 580 - 169" }, { "role": "assistant", "content": "<reasoning>\nSubtract 169 from 580: 580 - 169 = 411.\n</reasoning>\nFinal Answer: 411" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 30x + 44 = 824" }, { "role": "assistant", "content": "<reasoning>\nSubtract 44 from both sides: 30x = 780. Divide by 30: x = 26.\n</reasoning>\nFinal Answer: 26" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Ravi has 28 apples and buys 44 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 28 + 44 = 72.\n</reasoning>\nFinal Answer: 72" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 14x + 16 = -530" }, { "role": "assistant", "content": "<reasoning>\nSubtract 16 from both sides: 14x = -546. Divide by 14: x = -39.\n</reasoning>\nFinal Answer: -39" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 12/15 - 2/15" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 12/15 - 2/15. LCD = 15. Result = 2/3.\n</reasoning>\nFinal Answer: 2/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹3692. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3692 × 5/100 = 184.6. Total = 3692 + 184.6 = 3876.6.\n</reasoning>\nFinal Answer: 3876.6" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 26x + 34 = 60" }, { "role": "assistant", "content": "<reasoning>\nSubtract 34 from both sides: 26x = 26. Divide by 26: x = 1.\n</reasoning>\nFinal Answer: 1" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 3 and common difference 20, find the 35th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 3 + (35-1)×20 = 3 + 680 = 683.\n</reasoning>\nFinal Answer: 683" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "If the ratio of A to B is 22:6 and A = 100, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 22/6, so B = A × (6/22) = 100 × 6/22 = 27.2727.\n</reasoning>\nFinal Answer: 27.2727" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the mean of: [75, 31, 76, 65, 71, 4, 97]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 419/7 = 59.8571.\n</reasoning>\nFinal Answer: 59.8571" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 10x + 25 = -395" }, { "role": "assistant", "content": "<reasoning>\nSubtract 25 from both sides: 10x = -420. Divide by 10: x = -42.\n</reasoning>\nFinal Answer: -42" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 3x + 44 = 68" }, { "role": "assistant", "content": "<reasoning>\nSubtract 44 from both sides: 3x = 24. Divide by 3: x = 8.\n</reasoning>\nFinal Answer: 8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "An item costs ₹4611. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4611 × 18/100 = 829.98. Total = 4611 + 829.98 = 5440.98.\n</reasoning>\nFinal Answer: 5440.98" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 19x + 37 = -1" }, { "role": "assistant", "content": "<reasoning>\nSubtract 37 from both sides: 19x = -38. Divide by 19: x = -2.\n</reasoning>\nFinal Answer: -2" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 13/3 - 2/9" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 13/3 - 2/9. LCD = 9. Result = 37/9.\n</reasoning>\nFinal Answer: 37/9" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 20x + 15 = 435" }, { "role": "assistant", "content": "<reasoning>\nSubtract 15 from both sides: 20x = 420. Divide by 20: x = 21.\n</reasoning>\nFinal Answer: 21" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 112 km apart. Their speeds are 115 km/h and 57 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 115+57=172 km/h. Time = 112/172 = 0.6512 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "An item costs ₹1007. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1007 × 18/100 = 181.26. Total = 1007 + 181.26 = 1188.26.\n</reasoning>\nFinal Answer: 1188.26" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 13/9 / 18/11" }, { "role": "assistant", "content": "<reasoning>\nDivide: (13/9) ÷ (18/11) = (13/9) × (11/18) = 143/162.\n</reasoning>\nFinal Answer: 143/162" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 27 and width 80." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 27 × 80 = 2160.\n</reasoning>\nFinal Answer: 2160" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 972 + 107" }, { "role": "assistant", "content": "<reasoning>\nAdd 972 and 107: 972 + 107 = 1079.\n</reasoning>\nFinal Answer: 1079" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 14 and width 93." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 14 × 93 = 1302.\n</reasoning>\nFinal Answer: 1302" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 30x + -22 = -1102" }, { "role": "assistant", "content": "<reasoning>\nSubtract -22 from both sides: 30x = -1080. Divide by 30: x = -36.\n</reasoning>\nFinal Answer: -36" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 9 and height 88." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 9 × 88 = 792.\n</reasoning>\nFinal Answer: 792" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the perimeter of a square with side 40." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 4 × side = 4 × 40 = 160.\n</reasoning>\nFinal Answer: 160" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the range of: [49, 57, 93, 81, 43, 70, 26, 80, 55]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 93 - 26 = 67.\n</reasoning>\nFinal Answer: 67" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Decrease 111 by 90%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 90%: 111 × (1 - 90/100) = 111 × 0.09999999999999998 = 11.1.\n</reasoning>\nFinal Answer: 11.1" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 4:15 and A = 45, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 4/15, so B = A × (15/4) = 45 × 15/4 = 168.75.\n</reasoning>\nFinal Answer: 168.75" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 1x + -26 = -23" }, { "role": "assistant", "content": "<reasoning>\nSubtract -26 from both sides: 1x = 3. Divide by 1: x = 3.\n</reasoning>\nFinal Answer: 3" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 2x + -11 = -33" }, { "role": "assistant", "content": "<reasoning>\nSubtract -11 from both sides: 2x = -22. Divide by 2: x = -11.\n</reasoning>\nFinal Answer: -11" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 14x + -21 = 609" }, { "role": "assistant", "content": "<reasoning>\nSubtract -21 from both sides: 14x = 630. Divide by 14: x = 45.\n</reasoning>\nFinal Answer: 45" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve: 4x² + (4)x + (-8) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 4² - 4×4×-8 = 144. √discriminant = 12. x = (-(4) ± 12) / (2×4). Solutions: x = 1 or x = -2.\n</reasoning>\nFinal Answer: x = 1 or x = -2" } ]
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 16 + 16 ** 2 - 47" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 16²=256, then 16+256-47=225.\n</reasoning>\nFinal Answer: 225" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 808 × 103" }, { "role": "assistant", "content": "<reasoning>\nMultiply 808 by 103: 808 × 103 = 83224.\n</reasoning>\nFinal Answer: 83224" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 12x + -28 = 164" }, { "role": "assistant", "content": "<reasoning>\nSubtract -28 from both sides: 12x = 192. Divide by 12: x = 16.\n</reasoning>\nFinal Answer: 16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 2/12 - 11/1" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 2/12 - 11/1. LCD = 6. Result = -65/6.\n</reasoning>\nFinal Answer: -65/6" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (9 + 38) * (37 - 13)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (9+38)=47, (37-13)=24, then 47×24=1128.\n</reasoning>\nFinal Answer: 1128" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mean of: [10, 24, 64, 20, 97, 39]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 254/6 = 42.3333.\n</reasoning>\nFinal Answer: 42.3333" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: 314 + 791" }, { "role": "assistant", "content": "<reasoning>\nAdd 314 and 791: 314 + 791 = 1105.\n</reasoning>\nFinal Answer: 1105" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 715 by 35%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 35%: 715 × (1 + 35/100) = 715 × 1.35 = 965.25.\n</reasoning>\nFinal Answer: 965.25" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 19:12 and A = 9, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 19/12, so B = A × (12/19) = 9 × 12/19 = 5.6842.\n</reasoning>\nFinal Answer: 5.6842" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 310 km apart. Their speeds are 84 km/h and 71 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 84+71=155 km/h. Time = 310/155 = 2.0 hours.\n</reasoning>\nFinal Answer: 2...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Ravi has 148 apples and buys 105 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 148 + 105 = 253.\n</reasoning>\nFinal Answer: 253" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 67 and width 93." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 67 × 93 = 6231.\n</reasoning>\nFinal Answer: 6231" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 139 apples and buys 189 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 139 + 189 = 328.\n</reasoning>\nFinal Answer: 328" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 16/4 - 12/19" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 16/4 - 12/19. LCD = 19. Result = 64/19.\n</reasoning>\nFinal Answer: 64/19" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 14x + 25 = 403" }, { "role": "assistant", "content": "<reasoning>\nSubtract 25 from both sides: 14x = 378. Divide by 14: x = 27.\n</reasoning>\nFinal Answer: 27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Ravi has 111 apples and buys 138 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 111 + 138 = 249.\n</reasoning>\nFinal Answer: 249" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 20/15 + 4/19" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 20/15 + 4/19. Common denominator = 57. Result = 88/57.\n</reasoning>\nFinal Answer: 88/57" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 44 * 24 + 49 * 15" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 44×24=1056 and 49×15=735, then add: 1791.\n</reasoning>\nFinal Answer: 1791" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 118 km/h. How far does it travel in 11 hours and 49 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 11 + 49/60 = 11.8167 hours. Distance = speed × time = 118 × 11.8167 = 1394.3667 km.\n</reasoning>\nFinal Answer: 1394.3667" }...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹19464 at 7% per annum for 8 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 19464 × 7 × 8 / 100 = 10899.84.\n</reasoning>\nFinal Answer: 10899.84" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mode of: [7, 36, 70, 72, 90, 28]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {7: 1, 36: 1, 70: 1, 72: 1, 90: 1, 28: 1}. Most frequent: [7, 36, 70, 72, 90, 28].\n</reasoning>\nFinal Answer: [7, 36, 70, 72, 90, 28]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Solve for x: 26x + -26 = 1196" }, { "role": "assistant", "content": "<reasoning>\nSubtract -26 from both sides: 26x = 1222. Divide by 26: x = 47.\n</reasoning>\nFinal Answer: 47" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 18/12 / 5/16" }, { "role": "assistant", "content": "<reasoning>\nDivide: (18/12) ÷ (5/16) = (18/12) × (16/5) = 24/5.\n</reasoning>\nFinal Answer: 24/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 22x + 9 = 295" }, { "role": "assistant", "content": "<reasoning>\nSubtract 9 from both sides: 22x = 286. Divide by 22: x = 13.\n</reasoning>\nFinal Answer: 13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 88 and height 4." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 88 × 4 = 176.0.\n</reasoning>\nFinal Answer: 176.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 760 mod -628" }, { "role": "assistant", "content": "<reasoning>\n760 mod -628: 760 = -628 × -2 + -496, so remainder = -496.\n</reasoning>\nFinal Answer: -496" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Ravi has 43 apples and buys 184 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 43 + 184 = 227.\n</reasoning>\nFinal Answer: 227" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 11/15 + 10/18" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 11/15 + 10/18. Common denominator = 45. Result = 58/45.\n</reasoning>\nFinal Answer: 58/45" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [54, 90, 55, 35, 98, 14, 23, 6, 74, 12]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {54: 1, 90: 1, 55: 1, 35: 1, 98: 1, 14: 1, 23: 1, 6: 1, 74: 1, 12: 1}. Most frequent: [54, 90, 55, 35, 98, 14, 23, 6, 74, 12].\n</reasoni...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Ravi has 147 apples and buys 36 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 147 + 36 = 183.\n</reasoning>\nFinal Answer: 183" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 34 * 48 + 22 * 1" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 34×48=1632 and 22×1=22, then add: 1654.\n</reasoning>\nFinal Answer: 1654" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 861 - -741" }, { "role": "assistant", "content": "<reasoning>\nSubtract -741 from 861: 861 - -741 = 1602.\n</reasoning>\nFinal Answer: 1602" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 505 - 304" }, { "role": "assistant", "content": "<reasoning>\nSubtract 304 from 505: 505 - 304 = 201.\n</reasoning>\nFinal Answer: 201" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 11/13 - 16/6" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 11/13 - 16/6. LCD = 39. Result = -71/39.\n</reasoning>\nFinal Answer: -71/39" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 99 and height 100." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 99 × 100 = 9900.\n</reasoning>\nFinal Answer: 9900" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 10x + -3 = 7" }, { "role": "assistant", "content": "<reasoning>\nSubtract -3 from both sides: 10x = 10. Divide by 10: x = 1.\n</reasoning>\nFinal Answer: 1" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Given A = [2, 3, 6, 8, 10, 13, 18] and B = [9, 12, 14], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [2, 3, 6, 8, 10, 13, 18].\n</reasoning>\nFinal Answer: [2, 3, 6, 8, 10, 13, 18]" } ...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 20/9 + 2/10" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 20/9 + 2/10. Common denominator = 45. Result = 109/45.\n</reasoning>\nFinal Answer: 109/45" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 69 and 47." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(69,47) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: -673 ÷ 44" }, { "role": "assistant", "content": "<reasoning>\nDivide -673 by 44. -673 ÷ 44 = -16 (integer division).\n</reasoning>\nFinal Answer: -16" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 19 + 35 * 27 - 3" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 35×27=945, then 19+945-3=961.\n</reasoning>\nFinal Answer: 961" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the range of: [19, 67, 78, 87, 9, 62, 43]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 87 - 9 = 78.\n</reasoning>\nFinal Answer: 78" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 7, 8 and height 28." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (7+8) × 28 = 210.0.\n</reasoning>\nFinal Answer: 210.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Increase 481 by 3%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 3%: 481 × (1 + 3/100) = 481 × 1.03 = 495.43.\n</reasoning>\nFinal Answer: 495.43" } ]
easy
[ "percentage", "arithmetic" ]