messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 6 and 16." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (6×16)/2 = 48.\n</reasoning>\nFinal Answer: 48" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 66 and width 67." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(66+67) = 2×133 = 266.\n</reasoning>\nFinal Answer: 266" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the next term in the sequence: [14, 31, 48, 65, 82]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 14 and common difference 17. Next term = 82 + 17 = 99.\n</reasoning>\nFinal Answer: 99" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 24x + -34 = 950" }, { "role": "assistant", "content": "<reasoning>\nSubtract -34 from both sides: 24x = 984. Divide by 24: x = 41.\n</reasoning>\nFinal Answer: 41" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 917 - 834" }, { "role": "assistant", "content": "<reasoning>\nSubtract 834 from 917: 917 - 834 = 83.\n</reasoning>\nFinal Answer: 83" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 92 and width 84." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 92 × 84 = 7728.\n</reasoning>\nFinal Answer: 7728" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 931 + 3" }, { "role": "assistant", "content": "<reasoning>\nAdd 931 and 3: 931 + 3 = 934.\n</reasoning>\nFinal Answer: 934" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹3891 at 9% per annum for 2 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 3891 × 9 × 2 / 100 = 700.38.\n</reasoning>\nFinal Answer: 700.38" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 35:29 and A = 60, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 35/29, so B = A × (29/35) = 60 × 29/35 = 49.7143.\n</reasoning>\nFinal Answer: 49.7143" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 334 km apart. Their speeds are 111 km/h and 68 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 111+68=179 km/h. Time = 334/179 = 1.8659 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 52 mod 944" }, { "role": "assistant", "content": "<reasoning>\n52 mod 944: 52 = 944 × 0 + 52, so remainder = 52.\n</reasoning>\nFinal Answer: 52" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 37 - 247" }, { "role": "assistant", "content": "<reasoning>\nSubtract 247 from 37: 37 - 247 = -210.\n</reasoning>\nFinal Answer: -210" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [66, 34, 93, 49, 30, 81]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 93 - 30 = 63.\n</reasoning>\nFinal Answer: 63" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Calculate: -594 + 56" }, { "role": "assistant", "content": "<reasoning>\nAdd -594 and 56: -594 + 56 = -538.\n</reasoning>\nFinal Answer: -538" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [1, 2, 7] and B = [2, 5, 9, 10, 14, 15, 16], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [2].\n</reasoning>\nFinal Answer: [2]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 910 + 190" }, { "role": "assistant", "content": "<reasoning>\nAdd 910 and 190: 910 + 190 = 1100.\n</reasoning>\nFinal Answer: 1100" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (6 + 47) * (20 - 20)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (6+47)=53, (20-20)=0, then 53×0=0.\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 50:43 and A = 88, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 50/43, so B = A × (43/50) = 88 × 43/50 = 75.68.\n</reasoning>\nFinal Answer: 75.68" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 27x + 32 = 248" }, { "role": "assistant", "content": "<reasoning>\nSubtract 32 from both sides: 27x = 216. Divide by 27: x = 8.\n</reasoning>\nFinal Answer: 8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -839 ÷ -64" }, { "role": "assistant", "content": "<reasoning>\nDivide -839 by -64. -839 ÷ -64 = 13 (integer division).\n</reasoning>\nFinal Answer: 13" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 10/15 * 12/8" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (10/15) × (12/8) = (120/120) = 1 after simplification.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Given A = [1, 5, 10, 11, 13, 16, 17, 18] and B = [1, 4, 5, 8, 10, 12, 18], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [4, 8, 11, 12, 13, 16, 17].\n</reasoni...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Simplify: 5/19 + 9/11" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 5/19 + 9/11. Common denominator = 209. Result = 226/209.\n</reasoning>\nFinal Answer: 226/209" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹1724. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1724 × 5/100 = 86.2. Total = 1724 + 86.2 = 1810.2.\n</reasoning>\nFinal Answer: 1810.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 8:2 and A = 82, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 8/2, so B = A × (2/8) = 82 × 2/8 = 20.5.\n</reasoning>\nFinal Answer: 20.5" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "A train travels at 165 km/h. How far does it travel in 8 hours and 24 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 8 + 24/60 = 8.4000 hours. Distance = speed × time = 165 × 8.4000 = 1386.0 km.\n</reasoning>\nFinal Answer: 1386.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "What is 35% of 915?" }, { "role": "assistant", "content": "<reasoning>\n35% of 915 = (35/100) × 915 = 320.25.\n</reasoning>\nFinal Answer: 320.25" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 33:38 and A = 41, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 33/38, so B = A × (38/33) = 41 × 38/33 = 47.2121.\n</reasoning>\nFinal Answer: 47.2121" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -87 ÷ 507" }, { "role": "assistant", "content": "<reasoning>\nDivide -87 by 507. -87 ÷ 507 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [1, 3, 5, 7, 8, 10, 13, 19] and B = [3, 5, 10, 14, 16, 18], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [3, 5, 10].\n</reasoning>\nFinal Answer: [3, 5, 10]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Evaluate using order of operations: (24 + 26) * (48 - 25)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (24+26)=50, (48-25)=23, then 50×23=1150.\n</reasoning>\nFinal Answer: 1150" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "What is 65% of 158?" }, { "role": "assistant", "content": "<reasoning>\n65% of 158 = (65/100) × 158 = 102.7.\n</reasoning>\nFinal Answer: 102.7" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the range of: [15, 75, 4, 27, 92, 92, 100]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 100 - 4 = 96.\n</reasoning>\nFinal Answer: 96" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "If the ratio of A to B is 40:36 and A = 27, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 40/36, so B = A × (36/40) = 27 × 36/40 = 24.3.\n</reasoning>\nFinal Answer: 24.3" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 2:23 and A = 62, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 2/23, so B = A × (23/2) = 62 × 23/2 = 713.0.\n</reasoning>\nFinal Answer: 713.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 48 and 143." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(48,143) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "If the ratio of A to B is 25:36 and A = 82, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 25/36, so B = A × (36/25) = 82 × 36/25 = 118.08.\n</reasoning>\nFinal Answer: 118.08" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 26 and 21." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (26×21)/1 = 546.\n</reasoning>\nFinal Answer: 546" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Simplify: 10/8 * 15/14" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (10/8) × (15/14) = (150/112) = 75/56 after simplification.\n</reasoning>\nFinal Answer: 75/56" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the next term in the sequence: [5, 22, 39, 56, 73]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 5 and common difference 17. Next term = 73 + 17 = 90.\n</reasoning>\nFinal Answer: 90" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the mean of: [76, 82, 56, 63, 19, 68]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 364/6 = 60.6667.\n</reasoning>\nFinal Answer: 60.6667" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Increase 816 by 45%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 45%: 816 × (1 + 45/100) = 816 × 1.45 = 1183.2.\n</reasoning>\nFinal Answer: 1183.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [14, 64, 25, 88, 15, 7]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 213/6 = 35.5.\n</reasoning>\nFinal Answer: 35.5" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "If the ratio of A to B is 41:32 and A = 69, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 41/32, so B = A × (32/41) = 69 × 32/41 = 53.8537.\n</reasoning>\nFinal Answer: 53.8537" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 39 and width 74." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(39+74) = 2×113 = 226.\n</reasoning>\nFinal Answer: 226" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "A train travels at 69 km/h. How far does it travel in 12 hours and 20 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 12 + 20/60 = 12.3333 hours. Distance = speed × time = 69 × 12.3333 = 851.0 km.\n</reasoning>\nFinal Answer: 851.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 22 + 4 * 28 - 45" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 4×28=112, then 22+112-45=89.\n</reasoning>\nFinal Answer: 89" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: 15 + 38 ** 2 - 11" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 38²=1444, then 15+1444-11=1448.\n</reasoning>\nFinal Answer: 1448" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -383 - 102" }, { "role": "assistant", "content": "<reasoning>\nSubtract 102 from -383: -383 - 102 = -485.\n</reasoning>\nFinal Answer: -485" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 74 and 11." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(74,11) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "If the ratio of A to B is 38:6 and A = 24, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 38/6, so B = A × (6/38) = 24 × 6/38 = 3.7895.\n</reasoning>\nFinal Answer: 3.7895" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 43:27 and A = 13, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 43/27, so B = A × (27/43) = 13 × 27/43 = 8.1628.\n</reasoning>\nFinal Answer: 8.1628" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve: 2x² + (-6)x + (-140) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -6² - 4×2×-140 = 1156. √discriminant = 34. x = (-(-6) ± 34) / (2×2). Solutions: x = -7 or x = 10.\n</reasoning>\nFinal Answer: x = -7 or x = 1...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 34, 41 and height 46." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (34+41) × 46 = 1725.0.\n</reasoning>\nFinal Answer: 1725.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 27 and common difference 16, find the 35th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 27 + (35-1)×16 = 27 + 544 = 571.\n</reasoning>\nFinal Answer: 571" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Increase 745 by 25%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 25%: 745 × (1 + 25/100) = 745 × 1.25 = 931.25.\n</reasoning>\nFinal Answer: 931.25" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 18x + -33 = -771" }, { "role": "assistant", "content": "<reasoning>\nSubtract -33 from both sides: 18x = -738. Divide by 18: x = -41.\n</reasoning>\nFinal Answer: -41" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 10/20 / 4/7" }, { "role": "assistant", "content": "<reasoning>\nDivide: (10/20) ÷ (4/7) = (10/20) × (7/4) = 7/8.\n</reasoning>\nFinal Answer: 7/8" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 240 km apart. Their speeds are 84 km/h and 96 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 84+96=180 km/h. Time = 240/180 = 1.3333 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 32 and 15." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (32×15)/1 = 480.\n</reasoning>\nFinal Answer: 480" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "An item costs ₹4777. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4777 × 18/100 = 859.86. Total = 4777 + 859.86 = 5636.86.\n</reasoning>\nFinal Answer: 5636.86" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 8x + 30 = 406" }, { "role": "assistant", "content": "<reasoning>\nSubtract 30 from both sides: 8x = 376. Divide by 8: x = 47.\n</reasoning>\nFinal Answer: 47" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 23x + -33 = 197" }, { "role": "assistant", "content": "<reasoning>\nSubtract -33 from both sides: 23x = 230. Divide by 23: x = 10.\n</reasoning>\nFinal Answer: 10" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 80 and 126." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(80,126) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: -576 mod -73" }, { "role": "assistant", "content": "<reasoning>\n-576 mod -73: -576 = -73 × 7 + -65, so remainder = -65.\n</reasoning>\nFinal Answer: -65" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -948 mod -181" }, { "role": "assistant", "content": "<reasoning>\n-948 mod -181: -948 = -181 × 5 + -43, so remainder = -43.\n</reasoning>\nFinal Answer: -43" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 295 km apart. Their speeds are 89 km/h and 61 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 89+61=150 km/h. Time = 295/150 = 1.9667 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 12, 1 and height 47." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (12+1) × 47 = 305.5.\n</reasoning>\nFinal Answer: 305.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "If the ratio of A to B is 3:15 and A = 14, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 3/15, so B = A × (15/3) = 14 × 15/3 = 70.0.\n</reasoning>\nFinal Answer: 70.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 27:49 and A = 69, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 27/49, so B = A × (49/27) = 69 × 49/27 = 125.2222.\n</reasoning>\nFinal Answer: 125.2222" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the mode of: [84, 57, 56, 91, 34, 86, 99, 81, 66]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {84: 1, 57: 1, 56: 1, 91: 1, 34: 1, 86: 1, 99: 1, 81: 1, 66: 1}. Most frequent: [84, 57, 56, 91, 34, 86, 99, 81, 66].\n</reasoning>\nFinal A...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 90 and height 25." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 90 × 25 = 2250.\n</reasoning>\nFinal Answer: 2250" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 22 and common difference 18, find the 22th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 22 + (22-1)×18 = 22 + 378 = 400.\n</reasoning>\nFinal Answer: 400" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 749 + -156" }, { "role": "assistant", "content": "<reasoning>\nAdd 749 and -156: 749 + -156 = 593.\n</reasoning>\nFinal Answer: 593" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 30x + 8 = 608" }, { "role": "assistant", "content": "<reasoning>\nSubtract 8 from both sides: 30x = 600. Divide by 30: x = 20.\n</reasoning>\nFinal Answer: 20" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 11:2 and A = 17, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 11/2, so B = A × (2/11) = 17 × 2/11 = 3.0909.\n</reasoning>\nFinal Answer: 3.0909" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the mode of: [19, 2, 75, 96, 61, 17, 18, 100, 61, 7]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {19: 1, 2: 1, 75: 1, 96: 1, 61: 2, 17: 1, 18: 1, 100: 1, 7: 1}. Most frequent: 61.\n</reasoning>\nFinal Answer: 61" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Solve for x: 28x + 40 = 488" }, { "role": "assistant", "content": "<reasoning>\nSubtract 40 from both sides: 28x = 448. Divide by 28: x = 16.\n</reasoning>\nFinal Answer: 16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 66 and width 59." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 66 × 59 = 3894.\n</reasoning>\nFinal Answer: 3894" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the median of: [45, 39, 90, 97, 27, 63, 95, 49]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [27, 39, 45, 49, 63, 90, 95, 97]. Middle value(s) → median = 56.0.\n</reasoning>\nFinal Answer: 56.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹34656 at 9% per annum for 5 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 34656 × 9 × 5 / 100 = 15595.2.\n</reasoning>\nFinal Answer: 15595.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 4/4 + 1/16" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 4/4 + 1/16. Common denominator = 16. Result = 17/16.\n</reasoning>\nFinal Answer: 17/16" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹32617 at 15% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 32617 × 15 × 1 / 100 = 4892.55.\n</reasoning>\nFinal Answer: 4892.55" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 3/18 * 18/15" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (3/18) × (18/15) = (54/270) = 1/5 after simplification.\n</reasoning>\nFinal Answer: 1/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 10, 35, and 35." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 10 + 35 + 35 = 80.\n</reasoning>\nFinal Answer: 80" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the range of: [4, 88, 68, 39, 53, 68, 45, 29, 79]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 88 - 4 = 84.\n</reasoning>\nFinal Answer: 84" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Solve for x: 7x + 29 = -300" }, { "role": "assistant", "content": "<reasoning>\nSubtract 29 from both sides: 7x = -329. Divide by 7: x = -47.\n</reasoning>\nFinal Answer: -47" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "20 workers can complete a job in 23 days. How many days will 15 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 20 × 23 = 460 worker-days. New time = 460 / 15 = 30.6667 days.\n</reasoning>\nFinal Answer: 30.6667" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -516 + -445" }, { "role": "assistant", "content": "<reasoning>\nAdd -516 and -445: -516 + -445 = -961.\n</reasoning>\nFinal Answer: -961" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 7x + 12 = 103" }, { "role": "assistant", "content": "<reasoning>\nSubtract 12 from both sides: 7x = 91. Divide by 7: x = 13.\n</reasoning>\nFinal Answer: 13" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Simplify: 9/6 - 15/18" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 9/6 - 15/18. LCD = 6. Result = 2/3.\n</reasoning>\nFinal Answer: 2/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 27x + -43 = -340" }, { "role": "assistant", "content": "<reasoning>\nSubtract -43 from both sides: 27x = -297. Divide by 27: x = -11.\n</reasoning>\nFinal Answer: -11" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mean of: [55, 69, 7, 17, 94, 21, 29]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 292/7 = 41.7143.\n</reasoning>\nFinal Answer: 41.7143" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "896 is what percentage of 958?" }, { "role": "assistant", "content": "<reasoning>\n(896/958) × 100 = 93.5282%.\n</reasoning>\nFinal Answer: 93.5282%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the mean of: [16, 31, 62, 51, 6, 37, 62, 81, 99, 69]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 514/10 = 51.4.\n</reasoning>\nFinal Answer: 51.4" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 27 and width 87." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 27 × 87 = 2349.\n</reasoning>\nFinal Answer: 2349" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Decrease 123 by 5%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 5%: 123 × (1 - 5/100) = 123 × 0.95 = 116.85.\n</reasoning>\nFinal Answer: 116.85" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 13/3 / 18/1" }, { "role": "assistant", "content": "<reasoning>\nDivide: (13/3) ÷ (18/1) = (13/3) × (1/18) = 13/54.\n</reasoning>\nFinal Answer: 13/54" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 14 and common difference 14, find the 49th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 14 + (49-1)×14 = 14 + 672 = 686.\n</reasoning>\nFinal Answer: 686" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 580 × 773" }, { "role": "assistant", "content": "<reasoning>\nMultiply 580 by 773: 580 × 773 = 448340.\n</reasoning>\nFinal Answer: 448340" } ]
medium
[ "arithmetic", "computation" ]