messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹22953 at 18% per annum for 5 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 22953 × 18 × 5 / 100 = 20657.7.\n</reasoning>\nFinal Answer: 20657.7" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 909 ÷ 272" }, { "role": "assistant", "content": "<reasoning>\nDivide 909 by 272. 909 ÷ 272 = 3 (integer division).\n</reasoning>\nFinal Answer: 3" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 630 + -260" }, { "role": "assistant", "content": "<reasoning>\nAdd 630 and -260: 630 + -260 = 370.\n</reasoning>\nFinal Answer: 370" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [3, 6, 14] and B = [1, 3, 5, 6, 13, 14, 15, 18], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 3, 5, 6, 13, 14, 15, 18].\n</reasoning>\nFinal Answer: [1, 3, 5, 6, 13, 14, 15, 18...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 150 × 670" }, { "role": "assistant", "content": "<reasoning>\nMultiply 150 by 670: 150 × 670 = 100500.\n</reasoning>\nFinal Answer: 100500" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [29, 37, 81, 27, 73, 39, 93, 14, 96, 19]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 508/10 = 50.8.\n</reasoning>\nFinal Answer: 50.8" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 27x + 45 = 666" }, { "role": "assistant", "content": "<reasoning>\nSubtract 45 from both sides: 27x = 621. Divide by 27: x = 23.\n</reasoning>\nFinal Answer: 23" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 49:36 and A = 92, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 49/36, so B = A × (36/49) = 92 × 36/49 = 67.5918.\n</reasoning>\nFinal Answer: 67.5918" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: 742 + -299" }, { "role": "assistant", "content": "<reasoning>\nAdd 742 and -299: 742 + -299 = 443.\n</reasoning>\nFinal Answer: 443" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -347 + 491" }, { "role": "assistant", "content": "<reasoning>\nAdd -347 and 491: -347 + 491 = 144.\n</reasoning>\nFinal Answer: 144" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 774 + -661" }, { "role": "assistant", "content": "<reasoning>\nAdd 774 and -661: 774 + -661 = 113.\n</reasoning>\nFinal Answer: 113" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 7 + 11 * 28 - 19" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 11×28=308, then 7+308-19=296.\n</reasoning>\nFinal Answer: 296" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Evaluate using order of operations: 45 + 26 ** 2 - 47" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 26²=676, then 45+676-47=674.\n</reasoning>\nFinal Answer: 674" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 19/1 + 19/5" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 19/1 + 19/5. Common denominator = 5. Result = 114/5.\n</reasoning>\nFinal Answer: 114/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 20/17 - 15/18" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 20/17 - 15/18. LCD = 102. Result = 35/102.\n</reasoning>\nFinal Answer: 35/102" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Decrease 487 by 75%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 75%: 487 × (1 - 75/100) = 487 × 0.25 = 121.75.\n</reasoning>\nFinal Answer: 121.75" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 33 + 8 ** 2 - 22" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 8²=64, then 33+64-22=75.\n</reasoning>\nFinal Answer: 75" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 63 and width 79." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(63+79) = 2×142 = 284.\n</reasoning>\nFinal Answer: 284" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "If the ratio of A to B is 10:28 and A = 55, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 10/28, so B = A × (28/10) = 55 × 28/10 = 154.0.\n</reasoning>\nFinal Answer: 154.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -772 + -540" }, { "role": "assistant", "content": "<reasoning>\nAdd -772 and -540: -772 + -540 = -1312.\n</reasoning>\nFinal Answer: -1312" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 2x + -33 = -95" }, { "role": "assistant", "content": "<reasoning>\nSubtract -33 from both sides: 2x = -62. Divide by 2: x = -31.\n</reasoning>\nFinal Answer: -31" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 19 and common difference 2, find the 34th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 19 + (34-1)×2 = 19 + 66 = 85.\n</reasoning>\nFinal Answer: 85" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: -275 mod -70" }, { "role": "assistant", "content": "<reasoning>\n-275 mod -70: -275 = -70 × 3 + -65, so remainder = -65.\n</reasoning>\nFinal Answer: -65" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [52, 78, 93, 29, 53, 82, 83, 10]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 480/8 = 60.0.\n</reasoning>\nFinal Answer: 60.0" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Simplify: 17/18 + 19/19" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 17/18 + 19/19. Common denominator = 18. Result = 35/18.\n</reasoning>\nFinal Answer: 35/18" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [63, 76, 24, 24, 15, 20]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 222/6 = 37.0.\n</reasoning>\nFinal Answer: 37.0" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 7x + 27 = -267" }, { "role": "assistant", "content": "<reasoning>\nSubtract 27 from both sides: 7x = -294. Divide by 7: x = -42.\n</reasoning>\nFinal Answer: -42" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Decrease 546 by 100%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 100%: 546 × (1 - 100/100) = 546 × 0.0 = 0.0.\n</reasoning>\nFinal Answer: 0.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 35 and 107." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(35,107) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Find the next term in the sequence: [30, 44, 58, 72, 86]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 30 and common difference 14. Next term = 86 + 14 = 100.\n</reasoning>\nFinal Answer: 100" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 18, 20, and 37." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 18 + 20 + 37 = 75.\n</reasoning>\nFinal Answer: 75" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Find the area of a triangle with base 53 and height 64." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 53 × 64 = 1696.0.\n</reasoning>\nFinal Answer: 1696.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mean of: [97, 4, 21, 52, 99]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 273/5 = 54.6.\n</reasoning>\nFinal Answer: 54.6" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 24x + 18 = 378" }, { "role": "assistant", "content": "<reasoning>\nSubtract 18 from both sides: 24x = 360. Divide by 24: x = 15.\n</reasoning>\nFinal Answer: 15" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the median of: [6, 81, 16, 17, 51, 70, 65, 74, 50]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [6, 16, 17, 50, 51, 65, 70, 74, 81]. Middle value(s) → median = 51.\n</reasoning>\nFinal Answer: 51" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Calculate: 820 - 611" }, { "role": "assistant", "content": "<reasoning>\nSubtract 611 from 820: 820 - 611 = 209.\n</reasoning>\nFinal Answer: 209" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 15 and 42." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (15×42)/3 = 210.\n</reasoning>\nFinal Answer: 210" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "If the ratio of A to B is 28:35 and A = 95, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 28/35, so B = A × (35/28) = 95 × 35/28 = 118.75.\n</reasoning>\nFinal Answer: 118.75" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 48 and common difference 13, find the 22th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 48 + (22-1)×13 = 48 + 273 = 321.\n</reasoning>\nFinal Answer: 321" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Evaluate using order of operations: 19 + 38 ** 2 - 37" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 38²=1444, then 19+1444-37=1426.\n</reasoning>\nFinal Answer: 1426" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Given A = [1, 5, 9, 11, 19] and B = [3, 12, 13, 16], 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": "Calculate: 816 - 192" }, { "role": "assistant", "content": "<reasoning>\nSubtract 192 from 816: 816 - 192 = 624.\n</reasoning>\nFinal Answer: 624" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 12/12 * 10/14" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (12/12) × (10/14) = (120/168) = 5/7 after simplification.\n</reasoning>\nFinal Answer: 5/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 327 - 948" }, { "role": "assistant", "content": "<reasoning>\nSubtract 948 from 327: 327 - 948 = -621.\n</reasoning>\nFinal Answer: -621" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 4x + 19 = -153" }, { "role": "assistant", "content": "<reasoning>\nSubtract 19 from both sides: 4x = -172. Divide by 4: x = -43.\n</reasoning>\nFinal Answer: -43" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 26 and 34." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (26×34)/2 = 442.\n</reasoning>\nFinal Answer: 442" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Simplify: 3/13 + 11/15" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 3/13 + 11/15. Common denominator = 195. Result = 188/195.\n</reasoning>\nFinal Answer: 188/195" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 653 × -722" }, { "role": "assistant", "content": "<reasoning>\nMultiply 653 by -722: 653 × -722 = -471466.\n</reasoning>\nFinal Answer: -471466" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 40:26 and A = 59, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 40/26, so B = A × (26/40) = 59 × 26/40 = 38.35.\n</reasoning>\nFinal Answer: 38.35" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 11/13 / 6/17" }, { "role": "assistant", "content": "<reasoning>\nDivide: (11/13) ÷ (6/17) = (11/13) × (17/6) = 187/78.\n</reasoning>\nFinal Answer: 187/78" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the range of: [72, 27, 46, 46, 46, 4, 37, 87]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 87 - 4 = 83.\n</reasoning>\nFinal Answer: 83" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "An item costs ₹2607. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 2607 × 12/100 = 312.84. Total = 2607 + 312.84 = 2919.84.\n</reasoning>\nFinal Answer: 2919.84" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 21:11 and A = 74, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 21/11, so B = A × (11/21) = 74 × 11/21 = 38.7619.\n</reasoning>\nFinal Answer: 38.7619" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Solve for x: 20x + -33 = -13" }, { "role": "assistant", "content": "<reasoning>\nSubtract -33 from both sides: 20x = 20. Divide by 20: x = 1.\n</reasoning>\nFinal Answer: 1" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹21243 at 17% per annum for 3 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 21243 × 17 × 3 / 100 = 10833.93.\n</reasoning>\nFinal Answer: 10833.93" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 9/12 - 9/17" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 9/12 - 9/17. LCD = 68. Result = 15/68.\n</reasoning>\nFinal Answer: 15/68" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 71 and height 83." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 71 × 83 = 5893.\n</reasoning>\nFinal Answer: 5893" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 964 × 26" }, { "role": "assistant", "content": "<reasoning>\nMultiply 964 by 26: 964 × 26 = 25064.\n</reasoning>\nFinal Answer: 25064" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 10x + -34 = 426" }, { "role": "assistant", "content": "<reasoning>\nSubtract -34 from both sides: 10x = 460. Divide by 10: x = 46.\n</reasoning>\nFinal Answer: 46" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the range of: [19, 59, 17, 57, 49, 78, 88, 19]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 88 - 17 = 71.\n</reasoning>\nFinal Answer: 71" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "If the ratio of A to B is 47:35 and A = 99, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 47/35, so B = A × (35/47) = 99 × 35/47 = 73.7234.\n</reasoning>\nFinal Answer: 73.7234" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -570 mod -350" }, { "role": "assistant", "content": "<reasoning>\n-570 mod -350: -570 = -350 × 1 + -220, so remainder = -220.\n</reasoning>\nFinal Answer: -220" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "A train travels at 162 km/h. How far does it travel in 9 hours and 29 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 9 + 29/60 = 9.4833 hours. Distance = speed × time = 162 × 9.4833 = 1536.3 km.\n</reasoning>\nFinal Answer: 1536.3" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 8, 27, and 28." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 8 + 27 + 28 = 63.\n</reasoning>\nFinal Answer: 63" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Evaluate using order of operations: (29 + 4) * (44 - 49)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (29+4)=33, (44-49)=-5, then 33×-5=-165.\n</reasoning>\nFinal Answer: -165" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "An item costs ₹190. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 190 × 18/100 = 34.2. Total = 190 + 34.2 = 224.2.\n</reasoning>\nFinal Answer: 224.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 520 × 273" }, { "role": "assistant", "content": "<reasoning>\nMultiply 520 by 273: 520 × 273 = 141960.\n</reasoning>\nFinal Answer: 141960" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 629 by 90%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 90%: 629 × (1 + 90/100) = 629 × 1.9 = 1195.1.\n</reasoning>\nFinal Answer: 1195.1" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 150 + -436" }, { "role": "assistant", "content": "<reasoning>\nAdd 150 and -436: 150 + -436 = -286.\n</reasoning>\nFinal Answer: -286" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 986 mod 450" }, { "role": "assistant", "content": "<reasoning>\n986 mod 450: 986 = 450 × 2 + 86, so remainder = 86.\n</reasoning>\nFinal Answer: 86" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 673 + -135" }, { "role": "assistant", "content": "<reasoning>\nAdd 673 and -135: 673 + -135 = 538.\n</reasoning>\nFinal Answer: 538" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 811 - 440" }, { "role": "assistant", "content": "<reasoning>\nSubtract 440 from 811: 811 - 440 = 371.\n</reasoning>\nFinal Answer: 371" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 70 - 626" }, { "role": "assistant", "content": "<reasoning>\nSubtract 626 from 70: 70 - 626 = -556.\n</reasoning>\nFinal Answer: -556" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Given A = [1, 10, 14, 16, 17, 19] and B = [4, 9, 11, 17], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [1, 10, 14, 16, 19].\n</reasoning>\nFinal Answer: [1, 10, 14, 16, 19]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Solve: 5x² + (20)x + (-25) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 20² - 4×5×-25 = 900. √discriminant = 30. x = (-(20) ± 30) / (2×5). Solutions: x = -5 or x = 1.\n</reasoning>\nFinal Answer: x = -5 or x = 1" ...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Calculate: 87 ÷ -750" }, { "role": "assistant", "content": "<reasoning>\nDivide 87 by -750. 87 ÷ -750 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹43348 at 19% per annum for 7 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 43348 × 19 × 7 / 100 = 57652.84.\n</reasoning>\nFinal Answer: 57652.84" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a triangle with base 49 and height 11." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 49 × 11 = 269.5.\n</reasoning>\nFinal Answer: 269.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Given A = [5, 6, 13, 17, 18] and B = [9, 11, 13, 14], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [13].\n</reasoning>\nFinal Answer: [13]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Evaluate using order of operations: (36 + 33) * (22 - 39)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (36+33)=69, (22-39)=-17, then 69×-17=-1173.\n</reasoning>\nFinal Answer: -1173" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 7/19 * 4/10" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (7/19) × (4/10) = (28/190) = 14/95 after simplification.\n</reasoning>\nFinal Answer: 14/95" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [19, 58, 80, 59, 29]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 245/5 = 49.0.\n</reasoning>\nFinal Answer: 49.0" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Simplify: 4/9 / 8/2" }, { "role": "assistant", "content": "<reasoning>\nDivide: (4/9) ÷ (8/2) = (4/9) × (2/8) = 1/9.\n</reasoning>\nFinal Answer: 1/9" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -757 × -10" }, { "role": "assistant", "content": "<reasoning>\nMultiply -757 by -10: -757 × -10 = 7570.\n</reasoning>\nFinal Answer: 7570" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 38 and width 83." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 38 × 83 = 3154.\n</reasoning>\nFinal Answer: 3154" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the range of: [83, 26, 2, 55, 37, 29]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 83 - 2 = 81.\n</reasoning>\nFinal Answer: 81" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Calculate: -329 mod -312" }, { "role": "assistant", "content": "<reasoning>\n-329 mod -312: -329 = -312 × 1 + -17, so remainder = -17.\n</reasoning>\nFinal Answer: -17" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "13 workers can complete a job in 14 days. How many days will 19 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 13 × 14 = 182 worker-days. New time = 182 / 19 = 9.5789 days.\n</reasoning>\nFinal Answer: 9.5789" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Given A = [5, 11, 12, 15, 17, 19] and B = [1, 3, 4, 5, 9], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [5].\n</reasoning>\nFinal Answer: [5]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 43 and common difference 10, find the 23th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 43 + (23-1)×10 = 43 + 220 = 263.\n</reasoning>\nFinal Answer: 263" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "An item costs ₹328. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 328 × 28/100 = 91.84. Total = 328 + 91.84 = 419.84.\n</reasoning>\nFinal Answer: 419.84" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 2, 34 and height 3." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (2+34) × 3 = 54.0.\n</reasoning>\nFinal Answer: 54.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a triangle with base 98 and height 51." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 98 × 51 = 2499.0.\n</reasoning>\nFinal Answer: 2499.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mode of: [27, 46, 80, 20, 10, 12, 57, 28, 41, 20]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {27: 1, 46: 1, 80: 1, 20: 2, 10: 1, 12: 1, 57: 1, 28: 1, 41: 1}. Most frequent: 20.\n</reasoning>\nFinal Answer: 20" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Evaluate using order of operations: 25 + 36 * 12 - 39" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 36×12=432, then 25+432-39=418.\n</reasoning>\nFinal Answer: 418" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 15 and height 43." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 15 × 43 = 645.\n</reasoning>\nFinal Answer: 645" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the mode of: [13, 51, 23, 51, 36, 93, 72, 47, 53]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {13: 1, 51: 2, 23: 1, 36: 1, 93: 1, 72: 1, 47: 1, 53: 1}. Most frequent: 51.\n</reasoning>\nFinal Answer: 51" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "34 is what percentage of 790?" }, { "role": "assistant", "content": "<reasoning>\n(34/790) × 100 = 4.3038%.\n</reasoning>\nFinal Answer: 4.3038%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Increase 29 by 5%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 5%: 29 × (1 + 5/100) = 29 × 1.05 = 30.45.\n</reasoning>\nFinal Answer: 30.45" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 38 * 6 + 22 * 24" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 38×6=228 and 22×24=528, then add: 756.\n</reasoning>\nFinal Answer: 756" } ]
medium
[ "bodmas", "order_of_operations" ]