messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Simplify: 1/14 - 13/12" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 1/14 - 13/12. LCD = 84. Result = -85/84.\n</reasoning>\nFinal Answer: -85/84" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Increase 773 by 7%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 7%: 773 × (1 + 7/100) = 773 × 1.07 = 827.11.\n</reasoning>\nFinal Answer: 827.11" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Ravi has 56 apples and buys 173 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 56 + 173 = 229.\n</reasoning>\nFinal Answer: 229" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Ravi has 76 apples and buys 89 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 76 + 89 = 165.\n</reasoning>\nFinal Answer: 165" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 194 - 756" }, { "role": "assistant", "content": "<reasoning>\nSubtract 756 from 194: 194 - 756 = -562.\n</reasoning>\nFinal Answer: -562" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 10% of 528?" }, { "role": "assistant", "content": "<reasoning>\n10% of 528 = (10/100) × 528 = 52.8.\n</reasoning>\nFinal Answer: 52.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 950 × -152" }, { "role": "assistant", "content": "<reasoning>\nMultiply 950 by -152: 950 × -152 = -144400.\n</reasoning>\nFinal Answer: -144400" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 72 and width 48." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 72 × 48 = 3456.\n</reasoning>\nFinal Answer: 3456" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -509 + -607" }, { "role": "assistant", "content": "<reasoning>\nAdd -509 and -607: -509 + -607 = -1116.\n</reasoning>\nFinal Answer: -1116" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "An item costs ₹3825. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3825 × 5/100 = 191.25. Total = 3825 + 191.25 = 4016.25.\n</reasoning>\nFinal Answer: 4016.25" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -303 + -140" }, { "role": "assistant", "content": "<reasoning>\nAdd -303 and -140: -303 + -140 = -443.\n</reasoning>\nFinal Answer: -443" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Ravi has 193 apples and buys 10 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 193 + 10 = 203.\n</reasoning>\nFinal Answer: 203" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 10 + 9 ** 2 - 32" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 9²=81, then 10+81-32=59.\n</reasoning>\nFinal Answer: 59" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Ravi has 151 apples and buys 31 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 151 + 31 = 182.\n</reasoning>\nFinal Answer: 182" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the median of: [18, 38, 27, 66, 67, 58, 48, 41]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [18, 27, 38, 41, 48, 58, 66, 67]. Middle value(s) → median = 44.5.\n</reasoning>\nFinal Answer: 44.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "184 is what percentage of 213?" }, { "role": "assistant", "content": "<reasoning>\n(184/213) × 100 = 86.385%.\n</reasoning>\nFinal Answer: 86.385%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Evaluate using order of operations: 28 * 40 + 2 * 45" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 28×40=1120 and 2×45=90, then add: 1210.\n</reasoning>\nFinal Answer: 1210" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 21, 5 and height 5." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (21+5) × 5 = 65.0.\n</reasoning>\nFinal Answer: 65.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the median of: [90, 91, 17, 92, 68, 38]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [17, 38, 68, 90, 91, 92]. Middle value(s) → median = 79.0.\n</reasoning>\nFinal Answer: 79.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the median of: [68, 69, 40, 45, 49, 98, 66, 8, 68]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [8, 40, 45, 49, 66, 68, 68, 69, 98]. Middle value(s) → median = 66.\n</reasoning>\nFinal Answer: 66" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Find the mode of: [43, 24, 85, 48, 98, 55, 2]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {43: 1, 24: 1, 85: 1, 48: 1, 98: 1, 55: 1, 2: 1}. Most frequent: [43, 24, 85, 48, 98, 55, 2].\n</reasoning>\nFinal Answer: [43, 24, 85, 48, 98, 55, 2...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "A train travels at 54 km/h. How far does it travel in 8 hours and 1 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 8 + 1/60 = 8.0167 hours. Distance = speed × time = 54 × 8.0167 = 432.9 km.\n</reasoning>\nFinal Answer: 432.9" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "7 workers can complete a job in 16 days. How many days will 2 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 7 × 16 = 112 worker-days. New time = 112 / 2 = 56.0 days.\n</reasoning>\nFinal Answer: 56.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 29 + 2 ** 2 - 8" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 2²=4, then 29+4-8=25.\n</reasoning>\nFinal Answer: 25" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -891 + 332" }, { "role": "assistant", "content": "<reasoning>\nAdd -891 and 332: -891 + 332 = -559.\n</reasoning>\nFinal Answer: -559" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 38 * 30 + 24 * 38" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 38×30=1140 and 24×38=912, then add: 2052.\n</reasoning>\nFinal Answer: 2052" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 21:43 and A = 50, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 21/43, so B = A × (43/21) = 50 × 43/21 = 102.381.\n</reasoning>\nFinal Answer: 102.381" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 15:10 and A = 2, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 15/10, so B = A × (10/15) = 2 × 10/15 = 1.3333.\n</reasoning>\nFinal Answer: 1.3333" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the mean of: [24, 11, 98, 80, 32, 4, 45, 27, 88, 54]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 463/10 = 46.3.\n</reasoning>\nFinal Answer: 46.3" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -952 mod 552" }, { "role": "assistant", "content": "<reasoning>\n-952 mod 552: -952 = 552 × -2 + 152, so remainder = 152.\n</reasoning>\nFinal Answer: 152" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 7/14 + 9/19" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 7/14 + 9/19. Common denominator = 38. Result = 37/38.\n</reasoning>\nFinal Answer: 37/38" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the range of: [71, 35, 67, 15, 94, 37, 81, 37]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 94 - 15 = 79.\n</reasoning>\nFinal Answer: 79" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the range of: [40, 35, 75, 80, 72, 1, 28, 2, 62, 29]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 80 - 1 = 79.\n</reasoning>\nFinal Answer: 79" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "If the ratio of A to B is 13:26 and A = 75, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 13/26, so B = A × (26/13) = 75 × 26/13 = 150.0.\n</reasoning>\nFinal Answer: 150.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "What is 80% of 239?" }, { "role": "assistant", "content": "<reasoning>\n80% of 239 = (80/100) × 239 = 191.2.\n</reasoning>\nFinal Answer: 191.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 5x + -30 = -185" }, { "role": "assistant", "content": "<reasoning>\nSubtract -30 from both sides: 5x = -155. Divide by 5: x = -31.\n</reasoning>\nFinal Answer: -31" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 18/3 / 14/2" }, { "role": "assistant", "content": "<reasoning>\nDivide: (18/3) ÷ (14/2) = (18/3) × (2/14) = 6/7.\n</reasoning>\nFinal Answer: 6/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 1x + 19 = -31" }, { "role": "assistant", "content": "<reasoning>\nSubtract 19 from both sides: 1x = -50. Divide by 1: x = -50.\n</reasoning>\nFinal Answer: -50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "What is 30% of 167?" }, { "role": "assistant", "content": "<reasoning>\n30% of 167 = (30/100) × 167 = 50.1.\n</reasoning>\nFinal Answer: 50.1" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 16, 9 and height 14." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (16+9) × 14 = 175.0.\n</reasoning>\nFinal Answer: 175.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "47 is what percentage of 229?" }, { "role": "assistant", "content": "<reasoning>\n(47/229) × 100 = 20.524%.\n</reasoning>\nFinal Answer: 20.524%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Solve for x: 17x + 8 = 195" }, { "role": "assistant", "content": "<reasoning>\nSubtract 8 from both sides: 17x = 187. Divide by 17: x = 11.\n</reasoning>\nFinal Answer: 11" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 3x + -48 = 69" }, { "role": "assistant", "content": "<reasoning>\nSubtract -48 from both sides: 3x = 117. Divide by 3: x = 39.\n</reasoning>\nFinal Answer: 39" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the range of: [79, 34, 59, 27, 74, 54]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 79 - 27 = 52.\n</reasoning>\nFinal Answer: 52" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the mean of: [81, 74, 11, 97, 57, 31, 41, 26, 8, 76]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 502/10 = 50.2.\n</reasoning>\nFinal Answer: 50.2" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the area of a triangle with base 36 and height 47." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 36 × 47 = 846.0.\n</reasoning>\nFinal Answer: 846.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -680 ÷ 959" }, { "role": "assistant", "content": "<reasoning>\nDivide -680 by 959. -680 ÷ 959 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 10x + -10 = -190" }, { "role": "assistant", "content": "<reasoning>\nSubtract -10 from both sides: 10x = -180. Divide by 10: x = -18.\n</reasoning>\nFinal Answer: -18" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 18:5 and A = 31, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 18/5, so B = A × (5/18) = 31 × 5/18 = 8.6111.\n</reasoning>\nFinal Answer: 8.6111" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Given A = [3, 12, 15, 18] and B = [2, 5, 6, 9, 14], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [2, 3, 5, 6, 9, 12, 14, 15, 18].\n</reasoning>\nFinal Answer: [2, 3, 5, 6, 9, 12, 14, 15, 18]...
medium
[ "set_theory" ]
[ { "role": "user", "content": "217 is what percentage of 264?" }, { "role": "assistant", "content": "<reasoning>\n(217/264) × 100 = 82.197%.\n</reasoning>\nFinal Answer: 82.197%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Calculate: 477 × -21" }, { "role": "assistant", "content": "<reasoning>\nMultiply 477 by -21: 477 × -21 = -10017.\n</reasoning>\nFinal Answer: -10017" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 8 and 36." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (8×36)/4 = 72.\n</reasoning>\nFinal Answer: 72" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 42 and width 82." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 42 × 82 = 3444.\n</reasoning>\nFinal Answer: 3444" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 13 + 20 ** 2 - 20" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 20²=400, then 13+400-20=393.\n</reasoning>\nFinal Answer: 393" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 17/7 + 18/17" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 17/7 + 18/17. Common denominator = 119. Result = 415/119.\n</reasoning>\nFinal Answer: 415/119" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 5/6 * 15/8" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (5/6) × (15/8) = (75/48) = 25/16 after simplification.\n</reasoning>\nFinal Answer: 25/16" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 10 and width 43." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(10+43) = 2×53 = 106.\n</reasoning>\nFinal Answer: 106" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 83 and 34." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(83,34) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "If the ratio of A to B is 7:40 and A = 23, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 7/40, so B = A × (40/7) = 23 × 40/7 = 131.4286.\n</reasoning>\nFinal Answer: 131.4286" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 344 - -178" }, { "role": "assistant", "content": "<reasoning>\nSubtract -178 from 344: 344 - -178 = 522.\n</reasoning>\nFinal Answer: 522" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 89 and width 71." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(89+71) = 2×160 = 320.\n</reasoning>\nFinal Answer: 320" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the area of a triangle with base 90 and height 65." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 90 × 65 = 2925.0.\n</reasoning>\nFinal Answer: 2925.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "A train travels at 55 km/h. How far does it travel in 6 hours and 42 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 6 + 42/60 = 6.7000 hours. Distance = speed × time = 55 × 6.7000 = 368.5 km.\n</reasoning>\nFinal Answer: 368.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 10:1 and A = 94, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 10/1, so B = A × (1/10) = 94 × 1/10 = 9.4.\n</reasoning>\nFinal Answer: 9.4" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 977 × 151" }, { "role": "assistant", "content": "<reasoning>\nMultiply 977 by 151: 977 × 151 = 147527.\n</reasoning>\nFinal Answer: 147527" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -625 × 253" }, { "role": "assistant", "content": "<reasoning>\nMultiply -625 by 253: -625 × 253 = -158125.\n</reasoning>\nFinal Answer: -158125" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 144 by 75%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 75%: 144 × (1 + 75/100) = 144 × 1.75 = 252.0.\n</reasoning>\nFinal Answer: 252.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate: 4^3" }, { "role": "assistant", "content": "<reasoning>\n4^3 = 4 × 4 × 4 = 64.\n</reasoning>\nFinal Answer: 64" } ]
easy
[ "exponents" ]
[ { "role": "user", "content": "Simplify: 7/10 / 6/9" }, { "role": "assistant", "content": "<reasoning>\nDivide: (7/10) ÷ (6/9) = (7/10) × (9/6) = 21/20.\n</reasoning>\nFinal Answer: 21/20" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 13x + 42 = 653" }, { "role": "assistant", "content": "<reasoning>\nSubtract 42 from both sides: 13x = 611. Divide by 13: x = 47.\n</reasoning>\nFinal Answer: 47" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 31 * 30 + 31 * 21" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 31×30=930 and 31×21=651, then add: 1581.\n</reasoning>\nFinal Answer: 1581" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 72 km/h. How far does it travel in 5 hours and 49 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 5 + 49/60 = 5.8167 hours. Distance = speed × time = 72 × 5.8167 = 418.8 km.\n</reasoning>\nFinal Answer: 418.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 18 and height 78." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 18 × 78 = 1404.\n</reasoning>\nFinal Answer: 1404" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 2x + -36 = -70" }, { "role": "assistant", "content": "<reasoning>\nSubtract -36 from both sides: 2x = -34. Divide by 2: x = -17.\n</reasoning>\nFinal Answer: -17" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 3 and height 74." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 3 × 74 = 111.0.\n</reasoning>\nFinal Answer: 111.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 21x + 27 = 909" }, { "role": "assistant", "content": "<reasoning>\nSubtract 27 from both sides: 21x = 882. Divide by 21: x = 42.\n</reasoning>\nFinal Answer: 42" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -511 × 929" }, { "role": "assistant", "content": "<reasoning>\nMultiply -511 by 929: -511 × 929 = -474719.\n</reasoning>\nFinal Answer: -474719" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 171 + 349" }, { "role": "assistant", "content": "<reasoning>\nAdd 171 and 349: 171 + 349 = 520.\n</reasoning>\nFinal Answer: 520" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 53 and width 70." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 53 × 70 = 3710.\n</reasoning>\nFinal Answer: 3710" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 20 * 31 + 35 * 40" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 20×31=620 and 35×40=1400, then add: 2020.\n</reasoning>\nFinal Answer: 2020" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 75 and width 71." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(75+71) = 2×146 = 292.\n</reasoning>\nFinal Answer: 292" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Evaluate using order of operations: 15 + 48 * 24 - 9" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 48×24=1152, then 15+1152-9=1158.\n</reasoning>\nFinal Answer: 1158" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "What is 10% of 478?" }, { "role": "assistant", "content": "<reasoning>\n10% of 478 = (10/100) × 478 = 47.8.\n</reasoning>\nFinal Answer: 47.8" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 222 mod 711" }, { "role": "assistant", "content": "<reasoning>\n222 mod 711: 222 = 711 × 0 + 222, so remainder = 222.\n</reasoning>\nFinal Answer: 222" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [55, 75, 8, 68, 34, 17, 58, 45]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {55: 1, 75: 1, 8: 1, 68: 1, 34: 1, 17: 1, 58: 1, 45: 1}. Most frequent: [55, 75, 8, 68, 34, 17, 58, 45].\n</reasoning>\nFinal Answer: [55, 75, 8,...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 11 and height 27." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 11 × 27 = 297.\n</reasoning>\nFinal Answer: 297" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 82 apples and buys 82 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 82 + 82 = 164.\n</reasoning>\nFinal Answer: 164" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: (48 + 41) * (22 - 20)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (48+41)=89, (22-20)=2, then 89×2=178.\n</reasoning>\nFinal Answer: 178" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Ravi has 115 apples and buys 158 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 115 + 158 = 273.\n</reasoning>\nFinal Answer: 273" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 8, 32, and 39." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 8 + 32 + 39 = 79.\n</reasoning>\nFinal Answer: 79" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Evaluate using order of operations: 41 + 48 * 42 - 40" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 48×42=2016, then 41+2016-40=2017.\n</reasoning>\nFinal Answer: 2017" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -701 ÷ 801" }, { "role": "assistant", "content": "<reasoning>\nDivide -701 by 801. -701 ÷ 801 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 428 km apart. Their speeds are 69 km/h and 58 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 69+58=127 km/h. Time = 428/127 = 3.3701 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a triangle with base 60 and height 32." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 60 × 32 = 960.0.\n</reasoning>\nFinal Answer: 960.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 94 apples and buys 56 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 94 + 56 = 150.\n</reasoning>\nFinal Answer: 150" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 4 * 46 + 27 * 14" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 4×46=184 and 27×14=378, then add: 562.\n</reasoning>\nFinal Answer: 562" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 87 and 171." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(87,171) = 3.\n</reasoning>\nFinal Answer: 3" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: 742 - -359" }, { "role": "assistant", "content": "<reasoning>\nSubtract -359 from 742: 742 - -359 = 1101.\n</reasoning>\nFinal Answer: 1101" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Decrease 290 by 65%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 65%: 290 × (1 - 65/100) = 290 × 0.35 = 101.5.\n</reasoning>\nFinal Answer: 101.5" } ]
easy
[ "percentage", "arithmetic" ]