messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Find the area of a triangle with base 53 and height 29." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 53 × 29 = 768.5.\n</reasoning>\nFinal Answer: 768.5" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "An item costs ₹3124. If sales tax is 5%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3124 × 5/100 = 156.2. Total = 3124 + 156.2 = 3280.2.\n</reasoning>\nFinal Answer: 3280.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 180 + -902" }, { "role": "assistant", "content": "<reasoning>\nAdd 180 and -902: 180 + -902 = -722.\n</reasoning>\nFinal Answer: -722" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [86, 76, 75, 43, 99, 22, 81, 25, 99]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 99 - 22 = 77.\n</reasoning>\nFinal Answer: 77" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Find the range of: [10, 27, 4, 94, 75, 24, 52, 57]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 94 - 4 = 90.\n</reasoning>\nFinal Answer: 90" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Solve for x: 6x + 41 = 95" }, { "role": "assistant", "content": "<reasoning>\nSubtract 41 from both sides: 6x = 54. Divide by 6: x = 9.\n</reasoning>\nFinal Answer: 9" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 790 - 640" }, { "role": "assistant", "content": "<reasoning>\nSubtract 640 from 790: 790 - 640 = 150.\n</reasoning>\nFinal Answer: 150" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 251 - 984" }, { "role": "assistant", "content": "<reasoning>\nSubtract 984 from 251: 251 - 984 = -733.\n</reasoning>\nFinal Answer: -733" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 4 and 5." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (4×5)/1 = 20.\n</reasoning>\nFinal Answer: 20" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 90 and width 59." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 90 × 59 = 5310.\n</reasoning>\nFinal Answer: 5310" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 34 and common difference 10, find the 29th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 34 + (29-1)×10 = 34 + 280 = 314.\n</reasoning>\nFinal Answer: 314" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the perimeter of a rectangle with length 80 and width 20." }, { "role": "assistant", "content": "<reasoning>\nPerimeter = 2(l + w) = 2(80+20) = 2×100 = 200.\n</reasoning>\nFinal Answer: 200" } ]
easy
[ "geometry", "perimeter" ]
[ { "role": "user", "content": "If the ratio of A to B is 36:33 and A = 4, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 36/33, so B = A × (33/36) = 4 × 33/36 = 3.6667.\n</reasoning>\nFinal Answer: 3.6667" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 144 km apart. Their speeds are 54 km/h and 46 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 54+46=100 km/h. Time = 144/100 = 1.44 hours.\n</reasoning>\nFinal Answer: ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -658 ÷ 879" }, { "role": "assistant", "content": "<reasoning>\nDivide -658 by 879. -658 ÷ 879 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 12 * 37 + 1 * 48" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 12×37=444 and 1×48=48, then add: 492.\n</reasoning>\nFinal Answer: 492" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -817 + -784" }, { "role": "assistant", "content": "<reasoning>\nAdd -817 and -784: -817 + -784 = -1601.\n</reasoning>\nFinal Answer: -1601" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 142 and 120." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(142,120) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 24 and common difference 12, find the 19th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 24 + (19-1)×12 = 24 + 216 = 240.\n</reasoning>\nFinal Answer: 240" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the mean of: [48, 48, 70, 8, 90, 37, 14, 25, 98, 48]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 486/10 = 48.6.\n</reasoning>\nFinal Answer: 48.6" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: 124 × 550" }, { "role": "assistant", "content": "<reasoning>\nMultiply 124 by 550: 124 × 550 = 68200.\n</reasoning>\nFinal Answer: 68200" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 27:49 and A = 72, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 27/49, so B = A × (49/27) = 72 × 49/27 = 130.6667.\n</reasoning>\nFinal Answer: 130.6667" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -931 - -415" }, { "role": "assistant", "content": "<reasoning>\nSubtract -415 from -931: -931 - -415 = -516.\n</reasoning>\nFinal Answer: -516" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 45:23 and A = 24, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 45/23, so B = A × (23/45) = 24 × 23/45 = 12.2667.\n</reasoning>\nFinal Answer: 12.2667" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 49 * 35 + 24 * 36" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 49×35=1715 and 24×36=864, then add: 2579.\n</reasoning>\nFinal Answer: 2579" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "If the ratio of A to B is 44:46 and A = 36, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 44/46, so B = A × (46/44) = 36 × 46/44 = 37.6364.\n</reasoning>\nFinal Answer: 37.6364" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Evaluate using order of operations: 29 + 35 * 43 - 28" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 35×43=1505, then 29+1505-28=1506.\n</reasoning>\nFinal Answer: 1506" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 26 and common difference 3, find the 20th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 26 + (20-1)×3 = 26 + 57 = 83.\n</reasoning>\nFinal Answer: 83" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Ravi has 48 apples and buys 35 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 48 + 35 = 83.\n</reasoning>\nFinal Answer: 83" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 19/12 + 2/14" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 19/12 + 2/14. Common denominator = 84. Result = 145/84.\n</reasoning>\nFinal Answer: 145/84" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "17 workers can complete a job in 16 days. How many days will 5 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 17 × 16 = 272 worker-days. New time = 272 / 5 = 54.4 days.\n</reasoning>\nFinal Answer: 54.4" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Evaluate using order of operations: (8 + 20) * (17 - 45)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (8+20)=28, (17-45)=-28, then 28×-28=-784.\n</reasoning>\nFinal Answer: -784" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the median of: [29, 89, 98, 92, 8, 41, 100, 37]" }, { "role": "assistant", "content": "<reasoning>\nSorted: [8, 29, 37, 41, 89, 92, 98, 100]. Middle value(s) → median = 65.0.\n</reasoning>\nFinal Answer: 65.0" } ]
medium
[ "statistics", "median" ]
[ { "role": "user", "content": "Decrease 285 by 40%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 40%: 285 × (1 - 40/100) = 285 × 0.6 = 171.0.\n</reasoning>\nFinal Answer: 171.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the mean of: [3, 56, 21, 53, 55]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 188/5 = 37.6.\n</reasoning>\nFinal Answer: 37.6" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -673 mod 846" }, { "role": "assistant", "content": "<reasoning>\n-673 mod 846: -673 = 846 × -1 + 173, so remainder = 173.\n</reasoning>\nFinal Answer: 173" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the prime factorization of 156." }, { "role": "assistant", "content": "<reasoning>\nDivide 156 by smallest primes repeatedly: 156 = 2 × 2 × 3 × 13.\n</reasoning>\nFinal Answer: 2 × 2 × 3 × 13" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Evaluate using order of operations: 30 * 22 + 37 * 26" }, { "role": "assistant", "content": "<reasoning>\nMultiply first: 30×22=660 and 37×26=962, then add: 1622.\n</reasoning>\nFinal Answer: 1622" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 166 mod 24" }, { "role": "assistant", "content": "<reasoning>\n166 mod 24: 166 = 24 × 6 + 22, so remainder = 22.\n</reasoning>\nFinal Answer: 22" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹37913 at 1% per annum for 3 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 37913 × 1 × 3 / 100 = 1137.39.\n</reasoning>\nFinal Answer: 1137.39" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 759 mod 235" }, { "role": "assistant", "content": "<reasoning>\n759 mod 235: 759 = 235 × 3 + 54, so remainder = 54.\n</reasoning>\nFinal Answer: 54" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (6 + 41) * (22 - 17)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (6+41)=47, (22-17)=5, then 47×5=235.\n</reasoning>\nFinal Answer: 235" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -606 ÷ -446" }, { "role": "assistant", "content": "<reasoning>\nDivide -606 by -446. -606 ÷ -446 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a triangle with base 83 and height 100." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × base × height = 0.5 × 83 × 100 = 4150.0.\n</reasoning>\nFinal Answer: 4150.0" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 345 + 339" }, { "role": "assistant", "content": "<reasoning>\nAdd 345 and 339: 345 + 339 = 684.\n</reasoning>\nFinal Answer: 684" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: 41 + 48 ** 2 - 15" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 48²=2304, then 41+2304-15=2330.\n</reasoning>\nFinal Answer: 2330" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mean of: [87, 41, 66, 25, 91, 84, 52, 57]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 503/8 = 62.875.\n</reasoning>\nFinal Answer: 62.875" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "If the ratio of A to B is 35:24 and A = 1, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 35/24, so B = A × (24/35) = 1 × 24/35 = 0.6857.\n</reasoning>\nFinal Answer: 0.6857" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "What is 30% of 443?" }, { "role": "assistant", "content": "<reasoning>\n30% of 443 = (30/100) × 443 = 132.9.\n</reasoning>\nFinal Answer: 132.9" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 100 and height 75." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 100 × 75 = 7500.\n</reasoning>\nFinal Answer: 7500" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "If the ratio of A to B is 48:17 and A = 43, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 48/17, so B = A × (17/48) = 43 × 17/48 = 15.2292.\n</reasoning>\nFinal Answer: 15.2292" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 7/14 - 2/18" }, { "role": "assistant", "content": "<reasoning>\nSubtract fractions: 7/14 - 2/18. LCD = 18. Result = 7/18.\n</reasoning>\nFinal Answer: 7/18" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "243 is what percentage of 328?" }, { "role": "assistant", "content": "<reasoning>\n(243/328) × 100 = 74.0854%.\n</reasoning>\nFinal Answer: 74.0854%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 960 km apart. Their speeds are 89 km/h and 65 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 89+65=154 km/h. Time = 960/154 = 6.2338 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 16 and common difference 14, find the 50th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 16 + (50-1)×14 = 16 + 686 = 702.\n</reasoning>\nFinal Answer: 702" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Ravi has 41 apples and buys 97 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 41 + 97 = 138.\n</reasoning>\nFinal Answer: 138" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 832 km apart. Their speeds are 85 km/h and 66 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 85+66=151 km/h. Time = 832/151 = 5.5099 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 37 and height 64." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 37 × 64 = 2368.\n</reasoning>\nFinal Answer: 2368" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Ravi has 129 apples and buys 44 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 129 + 44 = 173.\n</reasoning>\nFinal Answer: 173" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 19 and width 33." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 19 × 33 = 627.\n</reasoning>\nFinal Answer: 627" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 57 and height 64." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 57 × 64 = 3648.\n</reasoning>\nFinal Answer: 3648" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹49087 at 9% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 49087 × 9 × 1 / 100 = 4417.83.\n</reasoning>\nFinal Answer: 4417.83" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 77 ÷ 106" }, { "role": "assistant", "content": "<reasoning>\nDivide 77 by 106. 77 ÷ 106 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -320 ÷ -282" }, { "role": "assistant", "content": "<reasoning>\nDivide -320 by -282. -320 ÷ -282 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -714 mod 533" }, { "role": "assistant", "content": "<reasoning>\n-714 mod 533: -714 = 533 × -2 + 352, so remainder = 352.\n</reasoning>\nFinal Answer: 352" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the range of: [83, 38, 48, 65, 53, 23, 90]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 90 - 23 = 67.\n</reasoning>\nFinal Answer: 67" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Simplify: 9/13 * 17/7" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (9/13) × (17/7) = (153/91) = 153/91 after simplification.\n</reasoning>\nFinal Answer: 153/91" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 3x + 1 = 46" }, { "role": "assistant", "content": "<reasoning>\nSubtract 1 from both sides: 3x = 45. Divide by 3: x = 15.\n</reasoning>\nFinal Answer: 15" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "10 workers can complete a job in 8 days. How many days will 15 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 10 × 8 = 80 worker-days. New time = 80 / 15 = 5.3333 days.\n</reasoning>\nFinal Answer: 5.3333" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Decrease 91 by 17%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 17%: 91 × (1 - 17/100) = 91 × 0.83 = 75.53.\n</reasoning>\nFinal Answer: 75.53" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 761 km apart. Their speeds are 117 km/h and 116 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 117+116=233 km/h. Time = 761/233 = 3.2661 hours.\n</reasoning>\nFinal An...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: -338 ÷ 507" }, { "role": "assistant", "content": "<reasoning>\nDivide -338 by 507. -338 ÷ 507 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 661 ÷ -409" }, { "role": "assistant", "content": "<reasoning>\nDivide 661 by -409. 661 ÷ -409 = -2 (integer division).\n</reasoning>\nFinal Answer: -2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 703 mod -324" }, { "role": "assistant", "content": "<reasoning>\n703 mod -324: 703 = -324 × -3 + -269, so remainder = -269.\n</reasoning>\nFinal Answer: -269" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "10 is what percentage of 822?" }, { "role": "assistant", "content": "<reasoning>\n(10/822) × 100 = 1.2165%.\n</reasoning>\nFinal Answer: 1.2165%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "Simplify: 4/12 + 17/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 4/12 + 17/1. Common denominator = 3. Result = 52/3.\n</reasoning>\nFinal Answer: 52/3" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the prime factorization of 262." }, { "role": "assistant", "content": "<reasoning>\nDivide 262 by smallest primes repeatedly: 262 = 2 × 131.\n</reasoning>\nFinal Answer: 2 × 131" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Calculate: -311 + 463" }, { "role": "assistant", "content": "<reasoning>\nAdd -311 and 463: -311 + 463 = 152.\n</reasoning>\nFinal Answer: 152" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 7x + 12 = 278" }, { "role": "assistant", "content": "<reasoning>\nSubtract 12 from both sides: 7x = 266. Divide by 7: x = 38.\n</reasoning>\nFinal Answer: 38" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Solve for x: 2x + 50 = 6" }, { "role": "assistant", "content": "<reasoning>\nSubtract 50 from both sides: 2x = -44. Divide by 2: x = -22.\n</reasoning>\nFinal Answer: -22" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Calculate: 121 ÷ 780" }, { "role": "assistant", "content": "<reasoning>\nDivide 121 by 780. 121 ÷ 780 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 45 and width 60." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 45 × 60 = 2700.\n</reasoning>\nFinal Answer: 2700" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate: 479 - 431" }, { "role": "assistant", "content": "<reasoning>\nSubtract 431 from 479: 479 - 431 = 48.\n</reasoning>\nFinal Answer: 48" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 745 × 335" }, { "role": "assistant", "content": "<reasoning>\nMultiply 745 by 335: 745 × 335 = 249575.\n</reasoning>\nFinal Answer: 249575" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mean of: [28, 51, 8, 37, 81, 76, 100, 42]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 423/8 = 52.875.\n</reasoning>\nFinal Answer: 52.875" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -649 + 343" }, { "role": "assistant", "content": "<reasoning>\nAdd -649 and 343: -649 + 343 = -306.\n</reasoning>\nFinal Answer: -306" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "8 workers can complete a job in 27 days. How many days will 7 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 8 × 27 = 216 worker-days. New time = 216 / 7 = 30.8571 days.\n</reasoning>\nFinal Answer: 30.8571" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Increase 964 by 3%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 3%: 964 × (1 + 3/100) = 964 × 1.03 = 992.92.\n</reasoning>\nFinal Answer: 992.92" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 458 × 558" }, { "role": "assistant", "content": "<reasoning>\nMultiply 458 by 558: 458 × 558 = 255564.\n</reasoning>\nFinal Answer: 255564" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 67 and 140." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(67,140) = 1.\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "A train travels at 46 km/h. How far does it travel in 3 hours and 1 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 3 + 1/60 = 3.0167 hours. Distance = speed × time = 46 × 3.0167 = 138.7667 km.\n</reasoning>\nFinal Answer: 138.7667" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 19x + -22 = -687" }, { "role": "assistant", "content": "<reasoning>\nSubtract -22 from both sides: 19x = -665. Divide by 19: x = -35.\n</reasoning>\nFinal Answer: -35" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "If the ratio of A to B is 36:38 and A = 89, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 36/38, so B = A × (38/36) = 89 × 38/36 = 93.9444.\n</reasoning>\nFinal Answer: 93.9444" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Calculate: -585 + -132" }, { "role": "assistant", "content": "<reasoning>\nAdd -585 and -132: -585 + -132 = -717.\n</reasoning>\nFinal Answer: -717" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the GCD (Greatest Common Divisor) of 10 and 64." }, { "role": "assistant", "content": "<reasoning>\nUsing Euclidean algorithm: GCD(10,64) = 2.\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "number_theory", "gcd" ]
[ { "role": "user", "content": "Evaluate using order of operations: (30 + 20) * (22 - 9)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (30+20)=50, (22-9)=13, then 50×13=650.\n</reasoning>\nFinal Answer: 650" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "8 workers can complete a job in 23 days. How many days will 8 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 8 × 23 = 184 worker-days. New time = 184 / 8 = 23.0 days.\n</reasoning>\nFinal Answer: 23.0" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Solve for x: 27x + -30 = 24" }, { "role": "assistant", "content": "<reasoning>\nSubtract -30 from both sides: 27x = 54. Divide by 27: x = 2.\n</reasoning>\nFinal Answer: 2" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the range of: [42, 24, 33, 62, 16]" }, { "role": "assistant", "content": "<reasoning>\nRange = max - min = 62 - 16 = 46.\n</reasoning>\nFinal Answer: 46" } ]
easy
[ "statistics", "range" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 867 km apart. Their speeds are 51 km/h and 50 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 51+50=101 km/h. Time = 867/101 = 8.5842 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]