messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the area of a parallelogram with base 88 and height 39." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 88 × 39 = 3432.\n</reasoning>\nFinal Answer: 3432" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 20x + -42 = 278" }, { "role": "assistant", "content": "<reasoning>\nSubtract -42 from both sides: 20x = 320. Divide by 20: x = 16.\n</reasoning>\nFinal Answer: 16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (11 + 12) * (9 - 12)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (11+12)=23, (9-12)=-3, then 23×-3=-69.\n</reasoning>\nFinal Answer: -69" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 96 and height 87." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 96 × 87 = 8352.\n</reasoning>\nFinal Answer: 8352" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 133 × -806" }, { "role": "assistant", "content": "<reasoning>\nMultiply 133 by -806: 133 × -806 = -107198.\n</reasoning>\nFinal Answer: -107198" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 43 * 1 + 49 * 20" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 43×1=43 and 49×20=980, then add: 1023.\n</reasoning>\nFinal Answer: 1023" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 976 ÷ 866" }, { "role": "assistant", "content": "<reasoning>\nDivide 976 by 866. 976 ÷ 866 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 540 by 10%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 10%: 540 × (1 + 10/100) = 540 × 1.1 = 594.0.\n</reasoning>\nFinal Answer: 594.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 10/5 * 19/15" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (10/5) × (19/15) = (190/75) = 38/15 after simplification.\n</reasoning>\nFinal Answer: 38/15" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 11x + 16 = 313" }, { "role": "assistant", "content": "<reasoning>\nSubtract 16 from both sides: 11x = 297. Divide by 11: x = 27.\n</reasoning>\nFinal Answer: 27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 23x + -36 = 677" }, { "role": "assistant", "content": "<reasoning>\nSubtract -36 from both sides: 23x = 713. Divide by 23: x = 31.\n</reasoning>\nFinal Answer: 31" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 23x + -29 = -558" }, { "role": "assistant", "content": "<reasoning>\nSubtract -29 from both sides: 23x = -529. Divide by 23: x = -23.\n</reasoning>\nFinal Answer: -23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "List all positive factors of 66." }, { "role": "assistant", "content": "<reasoning>\nCheck each number from 1 to 66: factors are [1, 2, 3, 6, 11, 22, 33, 66].\n</reasoning>\nFinal Answer: [1, 2, 3, 6, 11, 22, 33, 66]" } ]
easy
[ "number_theory", "factors" ]
[ { "role": "user", "content": "An item costs ₹1435. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1435 × 5/100 = 71.75. Total = 1435 + 71.75 = 1506.75.\n</reasoning>\nFinal Answer: 1506.75" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [4, 5, 6, 9, 12, 19] and B = [5, 6, 11], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [4, 9, 12, 19].\n</reasoning>\nFinal Answer: [4, 9, 12, 19]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: -902 ÷ 663" }, { "role": "assistant", "content": "<reasoning>\nDivide -902 by 663. -902 ÷ 663 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 12x + -4 = 344" }, { "role": "assistant", "content": "<reasoning>\nSubtract -4 from both sides: 12x = 348. Divide by 12: x = 29.\n</reasoning>\nFinal Answer: 29" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 38 and common difference 16, find the 45th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 38 + (45-1)×16 = 38 + 704 = 742.\n</reasoning>\nFinal Answer: 742" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 294 ÷ 745" }, { "role": "assistant", "content": "<reasoning>\nDivide 294 by 745. 294 ÷ 745 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 82 and height 56." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 82 × 56 = 2296.0.\n</reasoning>\nFinal Answer: 2296.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Increase 973 by 20%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 20%: 973 × (1 + 20/100) = 973 × 1.2 = 1167.6.\n</reasoning>\nFinal Answer: 1167.6" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 6 + 33 ** 2 - 40" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 33²=1089, then 6+1089-40=1055.\n</reasoning>\nFinal Answer: 1055" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 105 mod -215" }, { "role": "assistant", "content": "<reasoning>\n105 mod -215: 105 = -215 × -1 + -110, so remainder = -110.\n</reasoning>\nFinal Answer: -110" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 17/12 * 16/18" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (17/12) × (16/18) = (272/216) = 34/27 after simplification.\n</reasoning>\nFinal Answer: 34/27" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 5, 33, and 36." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 5 + 33 + 36 = 74.\n</reasoning>\nFinal Answer: 74" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "20 is what percentage of 253?" }, { "role": "assistant", "content": "<reasoning>\n(20/253) × 100 = 7.9051%.\n</reasoning>\nFinal Answer: 7.9051%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Simplify: 1/17 / 5/20" }, { "role": "assistant", "content": "<reasoning>\nDivide: (1/17) ÷ (5/20) = (1/17) × (20/5) = 4/17.\n</reasoning>\nFinal Answer: 4/17" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 5/18 / 1/1" }, { "role": "assistant", "content": "<reasoning>\nDivide: (5/18) ÷ (1/1) = (5/18) × (1/1) = 5/18.\n</reasoning>\nFinal Answer: 5/18" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 88 and height 15." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 88 × 15 = 1320.\n</reasoning>\nFinal Answer: 1320" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "A train travels at 82 km/h. How far does it travel in 7 hours and 21 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 7 + 21/60 = 7.3500 hours. Distance = speed × time = 82 × 7.3500 = 602.7 km.\n</reasoning>\nFinal Answer: 602.7" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: 5 + 24 ** 2 - 36" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 24²=576, then 5+576-36=545.\n</reasoning>\nFinal Answer: 545" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "15 workers can complete a job in 28 days. How many days will 16 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 15 × 28 = 420 worker-days. New time = 420 / 16 = 26.25 days.\n</reasoning>\nFinal Answer: 26.25" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 12x + 23 = 299" }, { "role": "assistant", "content": "<reasoning>\nSubtract 23 from both sides: 12x = 276. Divide by 12: x = 23.\n</reasoning>\nFinal Answer: 23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹17049 at 9% per annum for 10 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 17049 × 9 × 10 / 100 = 15344.1.\n</reasoning>\nFinal Answer: 15344.1" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "666 is what percentage of 818?" }, { "role": "assistant", "content": "<reasoning>\n(666/818) × 100 = 81.4181%.\n</reasoning>\nFinal Answer: 81.4181%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Solve for x: 27x + 17 = -469" }, { "role": "assistant", "content": "<reasoning>\nSubtract 17 from both sides: 27x = -486. Divide by 27: x = -18.\n</reasoning>\nFinal Answer: -18" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mode of: [28, 88, 81, 76, 51, 55]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {28: 1, 88: 1, 81: 1, 76: 1, 51: 1, 55: 1}. Most frequent: [28, 88, 81, 76, 51, 55].\n</reasoning>\nFinal Answer: [28, 88, 81, 76, 51, 55]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Evaluate using order of operations: 42 + 14 ** 2 - 39" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 14²=196, then 42+196-39=199.\n</reasoning>\nFinal Answer: 199" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 178 km/h. How far does it travel in 3 hours and 24 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 3 + 24/60 = 3.4000 hours. Distance = speed × time = 178 × 3.4000 = 605.2 km.\n</reasoning>\nFinal Answer: 605.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 679 + -477" }, { "role": "assistant", "content": "<reasoning>\nAdd 679 and -477: 679 + -477 = 202.\n</reasoning>\nFinal Answer: 202" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -863 + 141" }, { "role": "assistant", "content": "<reasoning>\nAdd -863 and 141: -863 + 141 = -722.\n</reasoning>\nFinal Answer: -722" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 5:45 and A = 24, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 5/45, so B = A × (45/5) = 24 × 45/5 = 216.0.\n</reasoning>\nFinal Answer: 216.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 35:49 and A = 55, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 35/49, so B = A × (49/35) = 55 × 49/35 = 77.0.\n</reasoning>\nFinal Answer: 77.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹38635 at 10% per annum for 3 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 38635 × 10 × 3 / 100 = 11590.5.\n</reasoning>\nFinal Answer: 11590.5" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mode of: [58, 69, 42, 72, 34, 69, 10, 66, 72]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {58: 1, 69: 2, 42: 1, 72: 2, 34: 1, 10: 1, 66: 1}. Most frequent: [69, 72].\n</reasoning>\nFinal Answer: [69, 72]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: -542 - -73" }, { "role": "assistant", "content": "<reasoning>\nSubtract -73 from -542: -542 - -73 = -469.\n</reasoning>\nFinal Answer: -469" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 337 mod 245" }, { "role": "assistant", "content": "<reasoning>\n337 mod 245: 337 = 245 × 1 + 92, so remainder = 92.\n</reasoning>\nFinal Answer: 92" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 96 and width 55." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(96+55) = 2×151 = 302.\n</reasoning>\nFinal Answer: 302" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Increase 339 by 90%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 90%: 339 × (1 + 90/100) = 339 × 1.9 = 644.1.\n</reasoning>\nFinal Answer: 644.1" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Given A = [6, 7, 8, 10, 15, 18, 19] and B = [2, 3, 6, 9, 11, 15, 16, 18], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [6, 15, 18].\n</reasoning>\nFinal Answer: [6, 15, 18]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Solve for x: 18x + 11 = 227" }, { "role": "assistant", "content": "<reasoning>\nSubtract 11 from both sides: 18x = 216. Divide by 18: x = 12.\n</reasoning>\nFinal Answer: 12" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -882 ÷ 936" }, { "role": "assistant", "content": "<reasoning>\nDivide -882 by 936. -882 ÷ 936 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 38 * 31 + 12 * 29" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 38×31=1178 and 12×29=348, then add: 1526.\n</reasoning>\nFinal Answer: 1526" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 1 and common difference 16, find the 12th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 1 + (12-1)×16 = 1 + 176 = 177.\n</reasoning>\nFinal Answer: 177" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: 962 - -143" }, { "role": "assistant", "content": "<reasoning>\nSubtract -143 from 962: 962 - -143 = 1105.\n</reasoning>\nFinal Answer: 1105" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 971 mod 668" }, { "role": "assistant", "content": "<reasoning>\n971 mod 668: 971 = 668 × 1 + 303, so remainder = 303.\n</reasoning>\nFinal Answer: 303" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 16 + 4 * 42 - 24" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 4×42=168, then 16+168-24=160.\n</reasoning>\nFinal Answer: 160" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -560 - 4" }, { "role": "assistant", "content": "<reasoning>\nSubtract 4 from -560: -560 - 4 = -564.\n</reasoning>\nFinal Answer: -564" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 10/17 / 4/16" }, { "role": "assistant", "content": "<reasoning>\nDivide: (10/17) ÷ (4/16) = (10/17) × (16/4) = 40/17.\n</reasoning>\nFinal Answer: 40/17" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: (49 + 28) * (35 - 1)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (49+28)=77, (35-1)=34, then 77×34=2618.\n</reasoning>\nFinal Answer: 2618" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 17/15 / 9/7" }, { "role": "assistant", "content": "<reasoning>\nDivide: (17/15) ÷ (9/7) = (17/15) × (7/9) = 119/135.\n</reasoning>\nFinal Answer: 119/135" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 706 ÷ 303" }, { "role": "assistant", "content": "<reasoning>\nDivide 706 by 303. 706 ÷ 303 = 2 (integer division).\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 8x + -49 = 79" }, { "role": "assistant", "content": "<reasoning>\nSubtract -49 from both sides: 8x = 128. Divide by 8: x = 16.\n</reasoning>\nFinal Answer: 16" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "A train travels at 47 km/h. How far does it travel in 7 hours and 24 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 7 + 24/60 = 7.4000 hours. Distance = speed × time = 47 × 7.4000 = 347.8 km.\n</reasoning>\nFinal Answer: 347.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 12, 15, and 23." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 12 + 15 + 23 = 50.\n</reasoning>\nFinal Answer: 50" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "If the ratio of A to B is 31:12 and A = 52, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 31/12, so B = A × (12/31) = 52 × 12/31 = 20.129.\n</reasoning>\nFinal Answer: 20.129" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 28 and common difference 20, find the 39th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 28 + (39-1)×20 = 28 + 760 = 788.\n</reasoning>\nFinal Answer: 788" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Simplify: 11/19 / 8/5" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/19) ÷ (8/5) = (11/19) × (5/8) = 55/152.\n</reasoning>\nFinal Answer: 55/152" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "An item costs ₹3997. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3997 × 12/100 = 479.64. Total = 3997 + 479.64 = 4476.64.\n</reasoning>\nFinal Answer: 4476.64" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Ravi has 59 apples and buys 197 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 59 + 197 = 256.\n</reasoning>\nFinal Answer: 256" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 270 mod -714" }, { "role": "assistant", "content": "<reasoning>\n270 mod -714: 270 = -714 × -1 + -444, so remainder = -444.\n</reasoning>\nFinal Answer: -444" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 338 mod -934" }, { "role": "assistant", "content": "<reasoning>\n338 mod -934: 338 = -934 × -1 + -596, so remainder = -596.\n</reasoning>\nFinal Answer: -596" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 461 by 65%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 65%: 461 × (1 + 65/100) = 461 × 1.65 = 760.65.\n</reasoning>\nFinal Answer: 760.65" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 473 × -10" }, { "role": "assistant", "content": "<reasoning>\nMultiply 473 by -10: 473 × -10 = -4730.\n</reasoning>\nFinal Answer: -4730" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Decrease 142 by 65%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 65%: 142 × (1 - 65/100) = 142 × 0.35 = 49.7.\n</reasoning>\nFinal Answer: 49.7" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -97 ÷ 985" }, { "role": "assistant", "content": "<reasoning>\nDivide -97 by 985. -97 ÷ 985 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 21 + 25 * 17 - 24" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 25×17=425, then 21+425-24=422.\n</reasoning>\nFinal Answer: 422" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 23:45 and A = 53, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 23/45, so B = A × (45/23) = 53 × 45/23 = 103.6957.\n</reasoning>\nFinal Answer: 103.6957" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 172 - -398" }, { "role": "assistant", "content": "<reasoning>\nSubtract -398 from 172: 172 - -398 = 570.\n</reasoning>\nFinal Answer: 570" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 47 and height 61." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 47 × 61 = 2867.\n</reasoning>\nFinal Answer: 2867" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 3, 15 and height 23." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (3+15) × 23 = 207.0.\n</reasoning>\nFinal Answer: 207.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 17/13 / 13/17" }, { "role": "assistant", "content": "<reasoning>\nDivide: (17/13) ÷ (13/17) = (17/13) × (17/13) = 289/169.\n</reasoning>\nFinal Answer: 289/169" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 537 mod -58" }, { "role": "assistant", "content": "<reasoning>\n537 mod -58: 537 = -58 × -10 + -43, so remainder = -43.\n</reasoning>\nFinal Answer: -43" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (23 + 32) * (44 - 21)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (23+32)=55, (44-21)=23, then 55×23=1265.\n</reasoning>\nFinal Answer: 1265" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: 35 + 20 * 1 - 16" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 20×1=20, then 35+20-16=39.\n</reasoning>\nFinal Answer: 39" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 3 and 67." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(3,67) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Ravi has 63 apples and buys 164 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 63 + 164 = 227.\n</reasoning>\nFinal Answer: 227" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 9 × 971" }, { "role": "assistant", "content": "<reasoning>\nMultiply 9 by 971: 9 × 971 = 8739.\n</reasoning>\nFinal Answer: 8739" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "What is 5% of 89?" }, { "role": "assistant", "content": "<reasoning>\n5% of 89 = (5/100) × 89 = 4.45.\n</reasoning>\nFinal Answer: 4.45" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Given A = [9, 17, 18, 19] and B = [6, 14, 16], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [6, 9, 14, 16, 17, 18, 19].\n</reasoning>\nFinal Answer: [6, 9, 14, 16, 17, 18, 19]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "What is 35% of 680?" }, { "role": "assistant", "content": "<reasoning>\n35% of 680 = (35/100) × 680 = 238.0.\n</reasoning>\nFinal Answer: 238.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 14, 6 and height 24." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (14+6) × 24 = 240.0.\n</reasoning>\nFinal Answer: 240.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Decrease 551 by 75%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 75%: 551 × (1 - 75/100) = 551 × 0.25 = 137.75.\n</reasoning>\nFinal Answer: 137.75" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 12x + -8 = -608" }, { "role": "assistant", "content": "<reasoning>\nSubtract -8 from both sides: 12x = -600. Divide by 12: x = -50.\n</reasoning>\nFinal Answer: -50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 27 × -897" }, { "role": "assistant", "content": "<reasoning>\nMultiply 27 by -897: 27 × -897 = -24219.\n</reasoning>\nFinal Answer: -24219" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 3/20 / 19/12" }, { "role": "assistant", "content": "<reasoning>\nDivide: (3/20) ÷ (19/12) = (3/20) × (12/19) = 9/95.\n</reasoning>\nFinal Answer: 9/95" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the next term in the sequence: [34, 51, 68, 85, 102]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 34 and common difference 17. Next term = 102 + 17 = 119.\n</reasoning>\nFinal Answer: 119" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 30x + 4 = -806" }, { "role": "assistant", "content": "<reasoning>\nSubtract 4 from both sides: 30x = -810. Divide by 30: x = -27.\n</reasoning>\nFinal Answer: -27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "161 is what percentage of 645?" }, { "role": "assistant", "content": "<reasoning>\n(161/645) × 100 = 24.9612%.\n</reasoning>\nFinal Answer: 24.9612%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "11 workers can complete a job in 13 days. How many days will 10 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 11 × 13 = 143 worker-days. New time = 143 / 10 = 14.3 days.\n</reasoning>\nFinal Answer: 14.3" } ]
medium
[ "word_problem", "applied_math" ]