messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Simplify: 19/2 / 10/10" }, { "role": "assistant", "content": "<reasoning>\nDivide: (19/2) ÷ (10/10) = (19/2) × (10/10) = 19/2.\n</reasoning>\nFinal Answer: 19/2" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 16x + -2 = -194" }, { "role": "assistant", "content": "<reasoning>\nSubtract -2 from both sides: 16x = -192. Divide by 16: x = -12.\n</reasoning>\nFinal Answer: -12" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 46:43 and A = 93, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 46/43, so B = A × (43/46) = 93 × 43/46 = 86.9348.\n</reasoning>\nFinal Answer: 86.9348" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 276 ÷ -608" }, { "role": "assistant", "content": "<reasoning>\nDivide 276 by -608. 276 ÷ -608 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 33:31 and A = 88, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 33/31, so B = A × (31/33) = 88 × 31/33 = 82.6667.\n</reasoning>\nFinal Answer: 82.6667" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 14 + 10 ** 2 - 30" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 10²=100, then 14+100-30=84.\n</reasoning>\nFinal Answer: 84" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "An item costs ₹4803. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4803 × 28/100 = 1344.84. Total = 4803 + 1344.84 = 6147.84.\n</reasoning>\nFinal Answer: 6147.84" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [1, 3, 12, 16] and B = [2, 5, 6, 7, 19], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [].\n</reasoning>\nFinal Answer: []" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 198 and 187." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(198,187) = 11.\n</reasoning>\nFinal Answer: 11" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: 309 × 743" }, { "role": "assistant", "content": "<reasoning>\nMultiply 309 by 743: 309 × 743 = 229587.\n</reasoning>\nFinal Answer: 229587" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 7x + -25 = 129" }, { "role": "assistant", "content": "<reasoning>\nSubtract -25 from both sides: 7x = 154. Divide by 7: x = 22.\n</reasoning>\nFinal Answer: 22" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 12/19 - 18/2" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 12/19 - 18/2. LCD = 19. Result = -159/19.\n</reasoning>\nFinal Answer: -159/19" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Ravi has 150 apples and buys 19 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 150 + 19 = 169.\n</reasoning>\nFinal Answer: 169" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the range of: [64, 67, 24, 4, 57, 39, 39, 78, 54, 42]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 78 - 4 = 74.\n</reasoning>\nFinal Answer: 74" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Calculate: -277 ÷ -153" }, { "role": "assistant", "content": "<reasoning>\nDivide -277 by -153. -277 ÷ -153 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 22, 31, and 39." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 22 + 31 + 39 = 92.\n</reasoning>\nFinal Answer: 92" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the median of: [96, 60, 66, 80, 7, 16]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [7, 16, 60, 66, 80, 96]. Middle value(s) → median = 63.0.\n</reasoning>\nFinal Answer: 63.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate: -670 × -395" }, { "role": "assistant", "content": "<reasoning>\nMultiply -670 by -395: -670 × -395 = 264650.\n</reasoning>\nFinal Answer: 264650" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 37 * 38 + 50 * 12" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 37×38=1406 and 50×12=600, then add: 2006.\n</reasoning>\nFinal Answer: 2006" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Given A = [10, 18, 19] and B = [3, 4, 5, 9, 11, 15, 16, 17], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [3, 4, 5, 9, 10, 11, 15, 16, 17, 18, 19].\n</reasoning>\nFinal Answer: [3, 4, 5, 9, ...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the mean of: [88, 52, 77, 48, 48]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 313/5 = 62.6.\n</reasoning>\nFinal Answer: 62.6" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -155 × -222" }, { "role": "assistant", "content": "<reasoning>\nMultiply -155 by -222: -155 × -222 = 34410.\n</reasoning>\nFinal Answer: 34410" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -226 × 599" }, { "role": "assistant", "content": "<reasoning>\nMultiply -226 by 599: -226 × 599 = -135374.\n</reasoning>\nFinal Answer: -135374" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 12% of 74?" }, { "role": "assistant", "content": "<reasoning>\n12% of 74 = (12/100) × 74 = 8.88.\n</reasoning>\nFinal Answer: 8.88" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 6/14 / 9/14" }, { "role": "assistant", "content": "<reasoning>\nDivide: (6/14) ÷ (9/14) = (6/14) × (14/9) = 2/3.\n</reasoning>\nFinal Answer: 2/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (50 + 39) * (17 - 8)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (50+39)=89, (17-8)=9, then 89×9=801.\n</reasoning>\nFinal Answer: 801" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 19x + 12 = -634" }, { "role": "assistant", "content": "<reasoning>\nSubtract 12 from both sides: 19x = -646. Divide by 19: x = -34.\n</reasoning>\nFinal Answer: -34" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 356 mod 522" }, { "role": "assistant", "content": "<reasoning>\n356 mod 522: 356 = 522 × 0 + 356, so remainder = 356.\n</reasoning>\nFinal Answer: 356" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 126 - 66" }, { "role": "assistant", "content": "<reasoning>\nSubtract 66 from 126: 126 - 66 = 60.\n</reasoning>\nFinal Answer: 60" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [6, 7, 15] and B = [1, 6, 8, 10, 16, 19], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [7, 15].\n</reasoning>\nFinal Answer: [7, 15]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 5/14 / 13/20" }, { "role": "assistant", "content": "<reasoning>\nDivide: (5/14) ÷ (13/20) = (5/14) × (20/13) = 50/91.\n</reasoning>\nFinal Answer: 50/91" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 53 ÷ -971" }, { "role": "assistant", "content": "<reasoning>\nDivide 53 by -971. 53 ÷ -971 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [54, 64, 24, 97, 11]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {54: 1, 64: 1, 24: 1, 97: 1, 11: 1}. Most frequent: [54, 64, 24, 97, 11].\n</reasoning>\nFinal Answer: [54, 64, 24, 97, 11]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the range of: [73, 82, 75, 3, 33]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 82 - 3 = 79.\n</reasoning>\nFinal Answer: 79" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 94 and width 17." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(94+17) = 2×111 = 222.\n</reasoning>\nFinal Answer: 222" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Calculate: -795 × 326" }, { "role": "assistant", "content": "<reasoning>\nMultiply -795 by 326: -795 × 326 = -259170.\n</reasoning>\nFinal Answer: -259170" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 351 ÷ -698" }, { "role": "assistant", "content": "<reasoning>\nDivide 351 by -698. 351 ÷ -698 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 8:38 and A = 86, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 8/38, so B = A × (38/8) = 86 × 38/8 = 408.5.\n</reasoning>\nFinal Answer: 408.5" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 2 * 4 + 13 * 47" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 2×4=8 and 13×47=611, then add: 619.\n</reasoning>\nFinal Answer: 619" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -479 ÷ 128" }, { "role": "assistant", "content": "<reasoning>\nDivide -479 by 128. -479 ÷ 128 = -4 (integer division).\n</reasoning>\nFinal Answer: -4" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 65% of 856?" }, { "role": "assistant", "content": "<reasoning>\n65% of 856 = (65/100) × 856 = 556.4.\n</reasoning>\nFinal Answer: 556.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a triangle with base 94 and height 66." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 94 × 66 = 3102.0.\n</reasoning>\nFinal Answer: 3102.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 289 - 399" }, { "role": "assistant", "content": "<reasoning>\nSubtract 399 from 289: 289 - 399 = -110.\n</reasoning>\nFinal Answer: -110" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "286 is what percentage of 584?" }, { "role": "assistant", "content": "<reasoning>\n(286/584) × 100 = 48.9726%.\n</reasoning>\nFinal Answer: 48.9726%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Evaluate using order of operations: 22 + 15 ** 2 - 12" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 15²=225, then 22+225-12=235.\n</reasoning>\nFinal Answer: 235" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 6 and common difference 9, find the 41th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 6 + (41-1)×9 = 6 + 360 = 366.\n</reasoning>\nFinal Answer: 366" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "If the ratio of A to B is 4:31 and A = 87, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 4/31, so B = A × (31/4) = 87 × 31/4 = 674.25.\n</reasoning>\nFinal Answer: 674.25" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 18 + 46 ** 2 - 34" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 46²=2116, then 18+2116-34=2100.\n</reasoning>\nFinal Answer: 2100" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Given A = [6, 8, 10, 14, 15, 18] and B = [1, 3, 4, 6, 8, 10, 13], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [1, 3, 4, 13, 14, 15, 18].\n</reasoning>\nFinal...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Evaluate using order of operations: 25 * 45 + 34 * 29" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 25×45=1125 and 34×29=986, then add: 2111.\n</reasoning>\nFinal Answer: 2111" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the median of: [36, 69, 99, 27, 98, 87, 36, 92, 9, 50]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [9, 27, 36, 36, 50, 69, 87, 92, 98, 99]. Middle value(s) → median = 59.5.\n</reasoning>\nFinal Answer: 59.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Simplify: 16/18 + 16/14" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 16/18 + 16/14. Common denominator = 63. Result = 128/63.\n</reasoning>\nFinal Answer: 128/63" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 10 and 34." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (10×34)/2 = 170.\n</reasoning>\nFinal Answer: 170" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Calculate: 696 mod -693" }, { "role": "assistant", "content": "<reasoning>\n696 mod -693: 696 = -693 × -2 + -690, so remainder = -690.\n</reasoning>\nFinal Answer: -690" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 8, 15 and height 9." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (8+15) × 9 = 103.5.\n</reasoning>\nFinal Answer: 103.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Increase 182 by 60%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 60%: 182 × (1 + 60/100) = 182 × 1.6 = 291.2.\n</reasoning>\nFinal Answer: 291.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the median of: [89, 3, 23, 58, 95, 54]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [3, 23, 54, 58, 89, 95]. Middle value(s) → median = 56.0.\n</reasoning>\nFinal Answer: 56.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate: -320 + 852" }, { "role": "assistant", "content": "<reasoning>\nAdd -320 and 852: -320 + 852 = 532.\n</reasoning>\nFinal Answer: 532" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 673 km apart. Their speeds are 41 km/h and 81 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 41+81=122 km/h. Time = 673/122 = 5.5164 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 24 and width 54." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(24+54) = 2×78 = 156.\n</reasoning>\nFinal Answer: 156" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Calculate: 142 + 846" }, { "role": "assistant", "content": "<reasoning>\nAdd 142 and 846: 142 + 846 = 988.\n</reasoning>\nFinal Answer: 988" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "A train travels at 143 km/h. How far does it travel in 7 hours and 18 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 7 + 18/60 = 7.3000 hours. Distance = speed × time = 143 × 7.3000 = 1043.9 km.\n</reasoning>\nFinal Answer: 1043.9" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 729 mod 154" }, { "role": "assistant", "content": "<reasoning>\n729 mod 154: 729 = 154 × 4 + 113, so remainder = 113.\n</reasoning>\nFinal Answer: 113" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -46 ÷ -362" }, { "role": "assistant", "content": "<reasoning>\nDivide -46 by -362. -46 ÷ -362 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -20 + -951" }, { "role": "assistant", "content": "<reasoning>\nAdd -20 and -951: -20 + -951 = -971.\n</reasoning>\nFinal Answer: -971" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -940 + -269" }, { "role": "assistant", "content": "<reasoning>\nAdd -940 and -269: -940 + -269 = -1209.\n</reasoning>\nFinal Answer: -1209" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 54 and width 53." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(54+53) = 2×107 = 214.\n</reasoning>\nFinal Answer: 214" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Increase 169 by 10%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 10%: 169 × (1 + 10/100) = 169 × 1.1 = 185.9.\n</reasoning>\nFinal Answer: 185.9" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the median of: [65, 5, 50, 14, 55, 76, 81, 10]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [5, 10, 14, 50, 55, 65, 76, 81]. Middle value(s) → median = 52.5.\n</reasoning>\nFinal Answer: 52.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 44 and common difference 13, find the 40th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 44 + (40-1)×13 = 44 + 507 = 551.\n</reasoning>\nFinal Answer: 551" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 19x + 34 = 300" }, { "role": "assistant", "content": "<reasoning>\nSubtract 34 from both sides: 19x = 266. Divide by 19: x = 14.\n</reasoning>\nFinal Answer: 14" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -597 × -606" }, { "role": "assistant", "content": "<reasoning>\nMultiply -597 by -606: -597 × -606 = 361782.\n</reasoning>\nFinal Answer: 361782" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 21x + 4 = 949" }, { "role": "assistant", "content": "<reasoning>\nSubtract 4 from both sides: 21x = 945. Divide by 21: x = 45.\n</reasoning>\nFinal Answer: 45" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 12/1 * 18/13" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (12/1) × (18/13) = (216/13) = 216/13 after simplification.\n</reasoning>\nFinal Answer: 216/13" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 7x + -21 = 182" }, { "role": "assistant", "content": "<reasoning>\nSubtract -21 from both sides: 7x = 203. Divide by 7: x = 29.\n</reasoning>\nFinal Answer: 29" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 13x + -44 = -174" }, { "role": "assistant", "content": "<reasoning>\nSubtract -44 from both sides: 13x = -130. Divide by 13: x = -10.\n</reasoning>\nFinal Answer: -10" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "195 is what percentage of 619?" }, { "role": "assistant", "content": "<reasoning>\n(195/619) × 100 = 31.5024%.\n</reasoning>\nFinal Answer: 31.5024%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the mean of: [38, 57, 26, 80, 20, 79, 18]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 318/7 = 45.4286.\n</reasoning>\nFinal Answer: 45.4286" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -49 ÷ 617" }, { "role": "assistant", "content": "<reasoning>\nDivide -49 by 617. -49 ÷ 617 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (22 + 7) * (9 - 25)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (22+7)=29, (9-25)=-16, then 29×-16=-464.\n</reasoning>\nFinal Answer: -464" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a triangle with base 34 and height 17." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 34 × 17 = 289.0.\n</reasoning>\nFinal Answer: 289.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 21, 25 and height 28." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (21+25) × 28 = 644.0.\n</reasoning>\nFinal Answer: 644.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "If the ratio of A to B is 32:8 and A = 76, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 32/8, so B = A × (8/32) = 76 × 8/32 = 19.0.\n</reasoning>\nFinal Answer: 19.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 15/13 - 6/19" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 15/13 - 6/19. LCD = 247. Result = 207/247.\n</reasoning>\nFinal Answer: 207/247" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -163 ÷ -808" }, { "role": "assistant", "content": "<reasoning>\nDivide -163 by -808. -163 ÷ -808 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 15/19 + 9/9" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 15/19 + 9/9. Common denominator = 19. Result = 34/19.\n</reasoning>\nFinal Answer: 34/19" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 18, 6 and height 21." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (18+6) × 21 = 252.0.\n</reasoning>\nFinal Answer: 252.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the median of: [59, 32, 77, 75, 92, 49, 29, 3, 52, 60]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [3, 29, 32, 49, 52, 59, 60, 75, 77, 92]. Middle value(s) → median = 55.5.\n</reasoning>\nFinal Answer: 55.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "16 workers can complete a job in 19 days. How many days will 2 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 16 × 19 = 304 worker-days. New time = 304 / 2 = 152.0 days.\n</reasoning>\nFinal Answer: 152.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Ravi has 29 apples and buys 141 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 29 + 141 = 170.\n</reasoning>\nFinal Answer: 170" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 309 mod -437" }, { "role": "assistant", "content": "<reasoning>\n309 mod -437: 309 = -437 × -1 + -128, so remainder = -128.\n</reasoning>\nFinal Answer: -128" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 9/20 * 15/13" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (9/20) × (15/13) = (135/260) = 27/52 after simplification.\n</reasoning>\nFinal Answer: 27/52" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "320 is what percentage of 398?" }, { "role": "assistant", "content": "<reasoning>\n(320/398) × 100 = 80.402%.\n</reasoning>\nFinal Answer: 80.402%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 54 and width 75." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 54 × 75 = 4050.\n</reasoning>\nFinal Answer: 4050" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -622 - 867" }, { "role": "assistant", "content": "<reasoning>\nSubtract 867 from -622: -622 - 867 = -1489.\n</reasoning>\nFinal Answer: -1489" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 19x + -2 = -306" }, { "role": "assistant", "content": "<reasoning>\nSubtract -2 from both sides: 19x = -304. Divide by 19: x = -16.\n</reasoning>\nFinal Answer: -16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 14 and common difference 4, find the 17th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 14 + (17-1)×4 = 14 + 64 = 78.\n</reasoning>\nFinal Answer: 78" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 78 and height 33." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 78 × 33 = 2574.\n</reasoning>\nFinal Answer: 2574" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 8x + -37 = -317" }, { "role": "assistant", "content": "<reasoning>\nSubtract -37 from both sides: 8x = -280. Divide by 8: x = -35.\n</reasoning>\nFinal Answer: -35" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 313 + -205" }, { "role": "assistant", "content": "<reasoning>\nAdd 313 and -205: 313 + -205 = 108.\n</reasoning>\nFinal Answer: 108" } ]
medium
[ "arithmetic", "computation" ]