messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Calculate: 292 - 730" }, { "role": "assistant", "content": "<reasoning>\nSubtract 730 from 292: 292 - 730 = -438.\n</reasoning>\nFinal Answer: -438" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the perimeter of a triangle with sides 25, 27, and 35." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = sum of all sides = 25 + 27 + 35 = 87.\n</reasoning>\nFinal Answer: 87" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Simplify: 16/13 + 12/16" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 16/13 + 12/16. Common denominator = 52. Result = 103/52.\n</reasoning>\nFinal Answer: 103/52" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [9, 80, 2, 85, 97, 72]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {9: 1, 80: 1, 2: 1, 85: 1, 97: 1, 72: 1}. Most frequent: [9, 80, 2, 85, 97, 72].\n</reasoning>\nFinal Answer: [9, 80, 2, 85, 97, 72]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Decrease 989 by 50%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 50%: 989 × (1 - 50/100) = 989 × 0.5 = 494.5.\n</reasoning>\nFinal Answer: 494.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 12/13 / 13/13" }, { "role": "assistant", "content": "<reasoning>\nDivide: (12/13) ÷ (13/13) = (12/13) × (13/13) = 12/13.\n</reasoning>\nFinal Answer: 12/13" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 19/4 / 3/3" }, { "role": "assistant", "content": "<reasoning>\nDivide: (19/4) ÷ (3/3) = (19/4) × (3/3) = 19/4.\n</reasoning>\nFinal Answer: 19/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 4/10 * 17/11" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (4/10) × (17/11) = (68/110) = 34/55 after simplification.\n</reasoning>\nFinal Answer: 34/55" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 15 + 44 ** 2 - 36" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 44²=1936, then 15+1936-36=1915.\n</reasoning>\nFinal Answer: 1915" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve: 3x² + (-15)x + (-72) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = -15² - 4×3×-72 = 1089. √discriminant = 33. x = (-(-15) ± 33) / (2×3). Solutions: x = 8 or x = -3.\n</reasoning>\nFinal Answer: x = 8 or x = -3...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Calculate: 679 ÷ 671" }, { "role": "assistant", "content": "<reasoning>\nDivide 679 by 671. 679 ÷ 671 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 15x + -34 = -184" }, { "role": "assistant", "content": "<reasoning>\nSubtract -34 from both sides: 15x = -150. Divide by 15: x = -10.\n</reasoning>\nFinal Answer: -10" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 27x + -5 = 238" }, { "role": "assistant", "content": "<reasoning>\nSubtract -5 from both sides: 27x = 243. Divide by 27: x = 9.\n</reasoning>\nFinal Answer: 9" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 14:23 and A = 39, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 14/23, so B = A × (23/14) = 39 × 23/14 = 64.0714.\n</reasoning>\nFinal Answer: 64.0714" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 25, 9 and height 22." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (25+9) × 22 = 374.0.\n</reasoning>\nFinal Answer: 374.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Increase 150 by 20%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 20%: 150 × (1 + 20/100) = 150 × 1.2 = 180.0.\n</reasoning>\nFinal Answer: 180.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 41 and width 51." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(41+51) = 2×92 = 184.\n</reasoning>\nFinal Answer: 184" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "Decrease 925 by 50%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 50%: 925 × (1 - 50/100) = 925 × 0.5 = 462.5.\n</reasoning>\nFinal Answer: 462.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Increase 97 by 5%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 5%: 97 × (1 + 5/100) = 97 × 1.05 = 101.85.\n</reasoning>\nFinal Answer: 101.85" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Given A = [6, 7, 9, 16, 18] and B = [3, 6, 8, 14, 15], find A intersection B." }, { "role": "assistant", "content": "<reasoning>\nIntersection contains elements in both A and B. Result = [6].\n</reasoning>\nFinal Answer: [6]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Evaluate: 6^6" }, { "role": "assistant", "content": "<reasoning>\n6^6 = 6 × 6 × 6 × 6 × 6 × 6 = 46656.\n</reasoning>\nFinal Answer: 46656" } ]
easy
[ "exponents" ]
[ { "role": "user", "content": "If the ratio of A to B is 26:49 and A = 13, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 26/49, so B = A × (49/26) = 13 × 49/26 = 24.5.\n</reasoning>\nFinal Answer: 24.5" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 47:41 and A = 14, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 47/41, so B = A × (41/47) = 14 × 41/47 = 12.2128.\n</reasoning>\nFinal Answer: 12.2128" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 45 and height 39." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 45 × 39 = 1755.\n</reasoning>\nFinal Answer: 1755" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Solve for x: 6x + 7 = -155" }, { "role": "assistant", "content": "<reasoning>\nSubtract 7 from both sides: 6x = -162. Divide by 6: x = -27.\n</reasoning>\nFinal Answer: -27" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 15x + -34 = -469" }, { "role": "assistant", "content": "<reasoning>\nSubtract -34 from both sides: 15x = -435. Divide by 15: x = -29.\n</reasoning>\nFinal Answer: -29" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: -172 - -804" }, { "role": "assistant", "content": "<reasoning>\nSubtract -804 from -172: -172 - -804 = 632.\n</reasoning>\nFinal Answer: 632" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 30x + -18 = -1128" }, { "role": "assistant", "content": "<reasoning>\nSubtract -18 from both sides: 30x = -1110. Divide by 30: x = -37.\n</reasoning>\nFinal Answer: -37" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 16x + 13 = 493" }, { "role": "assistant", "content": "<reasoning>\nSubtract 13 from both sides: 16x = 480. Divide by 16: x = 30.\n</reasoning>\nFinal Answer: 30" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "What is 15% of 934?" }, { "role": "assistant", "content": "<reasoning>\n15% of 934 = (15/100) × 934 = 140.1.\n</reasoning>\nFinal Answer: 140.1" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "What is 65% of 575?" }, { "role": "assistant", "content": "<reasoning>\n65% of 575 = (65/100) × 575 = 373.75.\n</reasoning>\nFinal Answer: 373.75" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "A bag has 4 red and 2 blue balls. What is the probability of drawing a red ball?" }, { "role": "assistant", "content": "<reasoning>\nP(red) = 4/6 = 0.6667.\n</reasoning>\nFinal Answer: 0.6667" } ]
easy
[ "probability" ]
[ { "role": "user", "content": "Calculate: 729 × -570" }, { "role": "assistant", "content": "<reasoning>\nMultiply 729 by -570: 729 × -570 = -415530.\n</reasoning>\nFinal Answer: -415530" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Ravi has 133 apples and buys 133 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 133 + 133 = 266.\n</reasoning>\nFinal Answer: 266" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 2/13 + 4/4" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 2/13 + 4/4. Common denominator = 13. Result = 15/13.\n</reasoning>\nFinal Answer: 15/13" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 39 + 41 ** 2 - 44" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 41²=1681, then 39+1681-44=1676.\n</reasoning>\nFinal Answer: 1676" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 18x + -39 = -183" }, { "role": "assistant", "content": "<reasoning>\nSubtract -39 from both sides: 18x = -144. Divide by 18: x = -8.\n</reasoning>\nFinal Answer: -8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Ravi has 13 apples and buys 130 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 13 + 130 = 143.\n</reasoning>\nFinal Answer: 143" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 6 and width 93." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 6 × 93 = 558.\n</reasoning>\nFinal Answer: 558" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "An item costs ₹4305. If sales tax is 12%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 4305 × 12/100 = 516.6. Total = 4305 + 516.6 = 4821.6.\n</reasoning>\nFinal Answer: 4821.6" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 23x + 45 = -300" }, { "role": "assistant", "content": "<reasoning>\nSubtract 45 from both sides: 23x = -345. Divide by 23: x = -15.\n</reasoning>\nFinal Answer: -15" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 936 ÷ 926" }, { "role": "assistant", "content": "<reasoning>\nDivide 936 by 926. 936 ÷ 926 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [69, 7, 45, 2, 81]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 204/5 = 40.8.\n</reasoning>\nFinal Answer: 40.8" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Simplify: 7/8 - 8/19" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 7/8 - 8/19. LCD = 152. Result = 69/152.\n</reasoning>\nFinal Answer: 69/152" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 1, 20 and height 41." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (1+20) × 41 = 430.5.\n</reasoning>\nFinal Answer: 430.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Given A = [2, 6, 7, 10, 12] and B = [6, 7, 11, 14, 17, 19], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [2, 10, 11, 12, 14, 17, 19].\n</reasoning>\nFinal Ans...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: 441 ÷ -295" }, { "role": "assistant", "content": "<reasoning>\nDivide 441 by -295. 441 ÷ -295 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 23 and 50." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (23×50)/1 = 1150.\n</reasoning>\nFinal Answer: 1150" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 9 and 2." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (9×2)/1 = 18.\n</reasoning>\nFinal Answer: 18" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Evaluate using order of operations: 36 + 1 ** 2 - 2" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 1²=1, then 36+1-2=35.\n</reasoning>\nFinal Answer: 35" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -777 - 518" }, { "role": "assistant", "content": "<reasoning>\nSubtract 518 from -777: -777 - 518 = -1295.\n</reasoning>\nFinal Answer: -1295" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (17 + 13) * (50 - 10)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (17+13)=30, (50-10)=40, then 30×40=1200.\n</reasoning>\nFinal Answer: 1200" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 14x + -32 = -158" }, { "role": "assistant", "content": "<reasoning>\nSubtract -32 from both sides: 14x = -126. Divide by 14: x = -9.\n</reasoning>\nFinal Answer: -9" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 50 and 23." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(50,23) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Calculate: -573 - 335" }, { "role": "assistant", "content": "<reasoning>\nSubtract 335 from -573: -573 - 335 = -908.\n</reasoning>\nFinal Answer: -908" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -829 mod -170" }, { "role": "assistant", "content": "<reasoning>\n-829 mod -170: -829 = -170 × 4 + -149, so remainder = -149.\n</reasoning>\nFinal Answer: -149" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the median of: [92, 77, 100, 35, 99, 29, 22, 19, 76, 17]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [17, 19, 22, 29, 35, 76, 77, 92, 99, 100]. Middle value(s) → median = 55.5.\n</reasoning>\nFinal Answer: 55.5" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 14 and common difference 10, find the 31th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 14 + (31-1)×10 = 14 + 300 = 314.\n</reasoning>\nFinal Answer: 314" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Solve for x: 23x + -18 = 649" }, { "role": "assistant", "content": "<reasoning>\nSubtract -18 from both sides: 23x = 667. Divide by 23: x = 29.\n</reasoning>\nFinal Answer: 29" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 36 and height 48." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 36 × 48 = 864.0.\n</reasoning>\nFinal Answer: 864.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: -198 mod 327" }, { "role": "assistant", "content": "<reasoning>\n-198 mod 327: -198 = 327 × -1 + 129, so remainder = 129.\n</reasoning>\nFinal Answer: 129" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -851 - -151" }, { "role": "assistant", "content": "<reasoning>\nSubtract -151 from -851: -851 - -151 = -700.\n</reasoning>\nFinal Answer: -700" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 23, 15 and height 27." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (23+15) × 27 = 513.0.\n</reasoning>\nFinal Answer: 513.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 18 and common difference 11, find the 34th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 18 + (34-1)×11 = 18 + 363 = 381.\n</reasoning>\nFinal Answer: 381" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 29 and 18." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (29×18)/1 = 522.\n</reasoning>\nFinal Answer: 522" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Calculate: 262 - 502" }, { "role": "assistant", "content": "<reasoning>\nSubtract 502 from 262: 262 - 502 = -240.\n</reasoning>\nFinal Answer: -240" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 10/14 + 15/7" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 10/14 + 15/7. Common denominator = 7. Result = 20/7.\n</reasoning>\nFinal Answer: 20/7" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 38:29 and A = 81, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 38/29, so B = A × (29/38) = 81 × 29/38 = 61.8158.\n</reasoning>\nFinal Answer: 61.8158" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Ravi has 60 apples and buys 29 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 60 + 29 = 89.\n</reasoning>\nFinal Answer: 89" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 10/2 / 17/13" }, { "role": "assistant", "content": "<reasoning>\nDivide: (10/2) ÷ (17/13) = (10/2) × (13/17) = 65/17.\n</reasoning>\nFinal Answer: 65/17" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 912 + -437" }, { "role": "assistant", "content": "<reasoning>\nAdd 912 and -437: 912 + -437 = 475.\n</reasoning>\nFinal Answer: 475" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 29:21 and A = 44, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 29/21, so B = A × (21/29) = 44 × 21/29 = 31.8621.\n</reasoning>\nFinal Answer: 31.8621" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹44704 at 14% per annum for 7 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 44704 × 14 × 7 / 100 = 43809.92.\n</reasoning>\nFinal Answer: 43809.92" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 47 and common difference 8, find the 23th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 47 + (23-1)×8 = 47 + 176 = 223.\n</reasoning>\nFinal Answer: 223" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Evaluate using order of operations: (14 + 23) * (25 - 8)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (14+23)=37, (25-8)=17, then 37×17=629.\n</reasoning>\nFinal Answer: 629" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "A train travels at 131 km/h. How far does it travel in 4 hours and 5 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 4 + 5/60 = 4.0833 hours. Distance = speed × time = 131 × 4.0833 = 534.9167 km.\n</reasoning>\nFinal Answer: 534.9167" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -94 mod 92" }, { "role": "assistant", "content": "<reasoning>\n-94 mod 92: -94 = 92 × -2 + 90, so remainder = 90.\n</reasoning>\nFinal Answer: 90" } ]
easy
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 7x + 7 = 343" }, { "role": "assistant", "content": "<reasoning>\nSubtract 7 from both sides: 7x = 336. Divide by 7: x = 48.\n</reasoning>\nFinal Answer: 48" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 17x + 43 = -314" }, { "role": "assistant", "content": "<reasoning>\nSubtract 43 from both sides: 17x = -357. Divide by 17: x = -21.\n</reasoning>\nFinal Answer: -21" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 438 - 809" }, { "role": "assistant", "content": "<reasoning>\nSubtract 809 from 438: 438 - 809 = -371.\n</reasoning>\nFinal Answer: -371" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 2/6 * 18/13" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (2/6) × (18/13) = (36/78) = 6/13 after simplification.\n</reasoning>\nFinal Answer: 6/13" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [69, 55, 34, 80, 35, 37, 88, 30, 74]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 502/9 = 55.7778.\n</reasoning>\nFinal Answer: 55.7778" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Solve for x: 29x + 2 = 1278" }, { "role": "assistant", "content": "<reasoning>\nSubtract 2 from both sides: 29x = 1276. Divide by 29: x = 44.\n</reasoning>\nFinal Answer: 44" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹4660 at 11% per annum for 3 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 4660 × 11 × 3 / 100 = 1537.8.\n</reasoning>\nFinal Answer: 1537.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 4/8 / 19/5" }, { "role": "assistant", "content": "<reasoning>\nDivide: (4/8) ÷ (19/5) = (4/8) × (5/19) = 5/38.\n</reasoning>\nFinal Answer: 5/38" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 11:16 and A = 73, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 11/16, so B = A × (16/11) = 73 × 16/11 = 106.1818.\n</reasoning>\nFinal Answer: 106.1818" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "60 is what percentage of 517?" }, { "role": "assistant", "content": "<reasoning>\n(60/517) × 100 = 11.6054%.\n</reasoning>\nFinal Answer: 11.6054%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 77 and width 85." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(77+85) = 2×162 = 324.\n</reasoning>\nFinal Answer: 324" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "5 workers can complete a job in 13 days. How many days will 12 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 5 × 13 = 65 worker-days. New time = 65 / 12 = 5.4167 days.\n</reasoning>\nFinal Answer: 5.4167" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -632 ÷ -73" }, { "role": "assistant", "content": "<reasoning>\nDivide -632 by -73. -632 ÷ -73 = 8 (integer division).\n</reasoning>\nFinal Answer: 8" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 758 + -415" }, { "role": "assistant", "content": "<reasoning>\nAdd 758 and -415: 758 + -415 = 343.\n</reasoning>\nFinal Answer: 343" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (44 + 36) * (50 - 38)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (44+36)=80, (50-38)=12, then 80×12=960.\n</reasoning>\nFinal Answer: 960" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -242 ÷ -710" }, { "role": "assistant", "content": "<reasoning>\nDivide -242 by -710. -242 ÷ -710 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 153 - -867" }, { "role": "assistant", "content": "<reasoning>\nSubtract -867 from 153: 153 - -867 = 1020.\n</reasoning>\nFinal Answer: 1020" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 3 and 38." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (3×38)/1 = 114.\n</reasoning>\nFinal Answer: 114" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Calculate: 732 ÷ -431" }, { "role": "assistant", "content": "<reasoning>\nDivide 732 by -431. 732 ÷ -431 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 44 * 39 + 20 * 10" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 44×39=1716 and 20×10=200, then add: 1916.\n</reasoning>\nFinal Answer: 1916" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Simplify: 16/3 - 2/19" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 16/3 - 2/19. LCD = 57. Result = 298/57.\n</reasoning>\nFinal Answer: 298/57" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 12x + 4 = 304" }, { "role": "assistant", "content": "<reasoning>\nSubtract 4 from both sides: 12x = 300. Divide by 12: x = 25.\n</reasoning>\nFinal Answer: 25" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 178 and 100." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(178,100) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]