messages
listlengths
2
2
difficulty
stringclasses
3 values
tags
listlengths
1
3
[ { "role": "user", "content": "Calculate: 415 ÷ 164" }, { "role": "assistant", "content": "<reasoning>\nDivide 415 by 164. 415 ÷ 164 = 2 (integer division).\n</reasoning>\nFinal Answer: 2" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [96, 35, 6, 21, 86, 18, 13, 53, 86]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {96: 1, 35: 1, 6: 1, 21: 1, 86: 2, 18: 1, 13: 1, 53: 1}. Most frequent: 86.\n</reasoning>\nFinal Answer: 86" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Simplify: 20/9 * 20/16" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (20/9) × (20/16) = (400/144) = 25/9 after simplification.\n</reasoning>\nFinal Answer: 25/9" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Evaluate using order of operations: 30 + 37 ** 2 - 1" }, { "role": "assistant", "content": "<reasoning>\nExponent first: 37²=1369, then 30+1369-1=1398.\n</reasoning>\nFinal Answer: 1398" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: 587 mod 431" }, { "role": "assistant", "content": "<reasoning>\n587 mod 431: 587 = 431 × 1 + 156, so remainder = 156.\n</reasoning>\nFinal Answer: 156" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (44 + 19) * (33 - 10)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (44+19)=63, (33-10)=23, then 63×23=1449.\n</reasoning>\nFinal Answer: 1449" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Find the mode of: [58, 86, 63, 88, 90, 81, 16, 3, 99]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {58: 1, 86: 1, 63: 1, 88: 1, 90: 1, 81: 1, 16: 1, 3: 1, 99: 1}. Most frequent: [58, 86, 63, 88, 90, 81, 16, 3, 99].\n</reasoning>\nFinal Answ...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: -762 + 867" }, { "role": "assistant", "content": "<reasoning>\nAdd -762 and 867: -762 + 867 = 105.\n</reasoning>\nFinal Answer: 105" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 12/19 * 2/7" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (12/19) × (2/7) = (24/133) = 24/133 after simplification.\n</reasoning>\nFinal Answer: 24/133" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 581 km apart. Their speeds are 50 km/h and 84 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 50+84=134 km/h. Time = 581/134 = 4.3358 hours.\n</reasoning>\nFinal Answer...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 383 ÷ 647" }, { "role": "assistant", "content": "<reasoning>\nDivide 383 by 647. 383 ÷ 647 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 58 and width 94." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 58 × 94 = 5452.\n</reasoning>\nFinal Answer: 5452" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 31 and common difference 1, find the 15th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 31 + (15-1)×1 = 31 + 14 = 45.\n</reasoning>\nFinal Answer: 45" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Evaluate using order of operations: 8 + 44 * 22 - 33" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 44×22=968, then 8+968-33=943.\n</reasoning>\nFinal Answer: 943" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Solve for x: 15x + 13 = 343" }, { "role": "assistant", "content": "<reasoning>\nSubtract 13 from both sides: 15x = 330. Divide by 15: x = 22.\n</reasoning>\nFinal Answer: 22" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the prime factorization of 30." }, { "role": "assistant", "content": "<reasoning>\nDivide 30 by smallest primes repeatedly: 30 = 2 × 3 × 5.\n</reasoning>\nFinal Answer: 2 × 3 × 5" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Calculate: -163 + -38" }, { "role": "assistant", "content": "<reasoning>\nAdd -163 and -38: -163 + -38 = -201.\n</reasoning>\nFinal Answer: -201" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve: 4x² + (40)x + (36) = 0" }, { "role": "assistant", "content": "<reasoning>\nUsing quadratic formula: discriminant = 40² - 4×4×36 = 1024. √discriminant = 32. x = (-(40) ± 32) / (2×4). Solutions: x = -9 or x = -1.\n</reasoning>\nFinal Answer: x = -9 or x = -1" ...
hard
[ "algebra", "quadratic" ]
[ { "role": "user", "content": "Given A = [1, 4, 8, 9, 10, 17, 18] and B = [2, 3, 7], find A union B." }, { "role": "assistant", "content": "<reasoning>\nUnion includes all elements from both sets. Result = [1, 2, 3, 4, 7, 8, 9, 10, 17, 18].\n</reasoning>\nFinal Answer: [1, 2, 3, 4, 7, 8, 9, 10, 1...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹14457 at 17% per annum for 7 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 14457 × 17 × 7 / 100 = 17203.83.\n</reasoning>\nFinal Answer: 17203.83" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 26 and common difference 16, find the 39th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 26 + (39-1)×16 = 26 + 608 = 634.\n</reasoning>\nFinal Answer: 634" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Find the mean of: [96, 98, 69, 80, 17]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 360/5 = 72.0.\n</reasoning>\nFinal Answer: 72.0" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -197 mod -928" }, { "role": "assistant", "content": "<reasoning>\n-197 mod -928: -197 = -928 × 0 + -197, so remainder = -197.\n</reasoning>\nFinal Answer: -197" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 162 km apart. Their speeds are 64 km/h and 114 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 64+114=178 km/h. Time = 162/178 = 0.9101 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "An item costs ₹829. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 829 × 28/100 = 232.12. Total = 829 + 232.12 = 1061.12.\n</reasoning>\nFinal Answer: 1061.12" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹39648 at 4% per annum for 1 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 39648 × 4 × 1 / 100 = 1585.92.\n</reasoning>\nFinal Answer: 1585.92" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 34:5 and A = 50, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 34/5, so B = A × (5/34) = 50 × 5/34 = 7.3529.\n</reasoning>\nFinal Answer: 7.3529" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "If the ratio of A to B is 41:10 and A = 64, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 41/10, so B = A × (10/41) = 64 × 10/41 = 15.6098.\n</reasoning>\nFinal Answer: 15.6098" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 40 and 17." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (40×17)/1 = 680.\n</reasoning>\nFinal Answer: 680" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "An item costs ₹1585. If sales tax is 18%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 1585 × 18/100 = 285.3. Total = 1585 + 285.3 = 1870.3.\n</reasoning>\nFinal Answer: 1870.3" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mean of: [9, 79, 70, 64, 93, 83, 4]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 402/7 = 57.4286.\n</reasoning>\nFinal Answer: 57.4286" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Calculate: -769 ÷ 850" }, { "role": "assistant", "content": "<reasoning>\nDivide -769 by 850. -769 ÷ 850 = -1 (integer division).\n</reasoning>\nFinal Answer: -1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the next term in the sequence: [47, 62, 77, 92, 107]" }, { "role": "assistant", "content": "<reasoning>\nThis is an arithmetic sequence with first term 47 and common difference 15. Next term = 107 + 15 = 122.\n</reasoning>\nFinal Answer: 122" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate: -912 × 994" }, { "role": "assistant", "content": "<reasoning>\nMultiply -912 by 994: -912 × 994 = -906528.\n</reasoning>\nFinal Answer: -906528" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: 902 - -430" }, { "role": "assistant", "content": "<reasoning>\nSubtract -430 from 902: 902 - -430 = 1332.\n</reasoning>\nFinal Answer: 1332" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "176 is what percentage of 461?" }, { "role": "assistant", "content": "<reasoning>\n(176/461) × 100 = 38.1779%.\n</reasoning>\nFinal Answer: 38.1779%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "What is 60% of 99?" }, { "role": "assistant", "content": "<reasoning>\n60% of 99 = (60/100) × 99 = 59.4.\n</reasoning>\nFinal Answer: 59.4" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 49, 47 and height 12." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (49+47) × 12 = 576.0.\n</reasoning>\nFinal Answer: 576.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Simplify: 16/12 + 4/16" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 16/12 + 4/16. Common denominator = 12. Result = 19/12.\n</reasoning>\nFinal Answer: 19/12" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -147 mod -51" }, { "role": "assistant", "content": "<reasoning>\n-147 mod -51: -147 = -51 × 2 + -45, so remainder = -45.\n</reasoning>\nFinal Answer: -45" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Increase 835 by 75%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 75%: 835 × (1 + 75/100) = 835 × 1.75 = 1461.25.\n</reasoning>\nFinal Answer: 1461.25" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Solve for x: 20x + 42 = 202" }, { "role": "assistant", "content": "<reasoning>\nSubtract 42 from both sides: 20x = 160. Divide by 20: x = 8.\n</reasoning>\nFinal Answer: 8" } ]
easy
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Find the mode of: [92, 54, 35, 44, 94, 3, 9, 14, 23]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {92: 1, 54: 1, 35: 1, 44: 1, 94: 1, 3: 1, 9: 1, 14: 1, 23: 1}. Most frequent: [92, 54, 35, 44, 94, 3, 9, 14, 23].\n</reasoning>\nFinal Answer:...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 13 and 18." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (13×18)/1 = 234.\n</reasoning>\nFinal Answer: 234" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Find the prime factorization of 349." }, { "role": "assistant", "content": "<reasoning>\nDivide 349 by smallest primes repeatedly: 349 = 349.\n</reasoning>\nFinal Answer: 349" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Increase 143 by 5%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 5%: 143 × (1 + 5/100) = 143 × 1.05 = 150.15.\n</reasoning>\nFinal Answer: 150.15" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Two trains start towards each other from stations 748 km apart. Their speeds are 86 km/h and 103 km/h. When will they meet?" }, { "role": "assistant", "content": "<reasoning>\nCombined speed = 86+103=189 km/h. Time = 748/189 = 3.9577 hours.\n</reasoning>\nFinal Answ...
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "What is 10% of 945?" }, { "role": "assistant", "content": "<reasoning>\n10% of 945 = (10/100) × 945 = 94.5.\n</reasoning>\nFinal Answer: 94.5" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "What is 15% of 297?" }, { "role": "assistant", "content": "<reasoning>\n15% of 297 = (15/100) × 297 = 44.55.\n</reasoning>\nFinal Answer: 44.55" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a parallelogram with base 81 and height 53." }, { "role": "assistant", "content": "<reasoning>\nArea = base × height = 81 × 53 = 4293.\n</reasoning>\nFinal Answer: 4293" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "If the ratio of A to B is 22:37 and A = 6, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 22/37, so B = A × (37/22) = 6 × 37/22 = 10.0909.\n</reasoning>\nFinal Answer: 10.0909" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Given A = [11, 15, 18] and B = [1, 3, 6, 7, 12, 17], find A difference B." }, { "role": "assistant", "content": "<reasoning>\nA - B contains elements in A but not in B. Result = [11, 15, 18].\n</reasoning>\nFinal Answer: [11, 15, 18]" } ]
medium
[ "set_theory" ]
[ { "role": "user", "content": "Calculate: -924 - 62" }, { "role": "assistant", "content": "<reasoning>\nSubtract 62 from -924: -924 - 62 = -986.\n</reasoning>\nFinal Answer: -986" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 7x + 44 = -194" }, { "role": "assistant", "content": "<reasoning>\nSubtract 44 from both sides: 7x = -238. Divide by 7: x = -34.\n</reasoning>\nFinal Answer: -34" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Decrease 604 by 25%." }, { "role": "assistant", "content": "<reasoning>\nDecrease by 25%: 604 × (1 - 25/100) = 604 × 0.75 = 453.0.\n</reasoning>\nFinal Answer: 453.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Calculate: -254 ÷ -252" }, { "role": "assistant", "content": "<reasoning>\nDivide -254 by -252. -254 ÷ -252 = 1 (integer division).\n</reasoning>\nFinal Answer: 1" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Solve for x: 14x + -1 = 699" }, { "role": "assistant", "content": "<reasoning>\nSubtract -1 from both sides: 14x = 700. Divide by 14: x = 50.\n</reasoning>\nFinal Answer: 50" } ]
medium
[ "algebra", "linear_equation" ]
[ { "role": "user", "content": "Evaluate using order of operations: (41 + 44) * (1 - 24)" }, { "role": "assistant", "content": "<reasoning>\nBrackets first: (41+44)=85, (1-24)=-23, then 85×-23=-1955.\n</reasoning>\nFinal Answer: -1955" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "Calculate: -885 - -204" }, { "role": "assistant", "content": "<reasoning>\nSubtract -204 from -885: -885 - -204 = -681.\n</reasoning>\nFinal Answer: -681" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 18 and common difference 3, find the 30th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 18 + (30-1)×3 = 18 + 87 = 105.\n</reasoning>\nFinal Answer: 105" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Simplify: 11/15 + 4/13" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 11/15 + 4/13. Common denominator = 195. Result = 203/195.\n</reasoning>\nFinal Answer: 203/195" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Simplify: 11/10 + 13/4" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 11/10 + 13/4. Common denominator = 20. Result = 87/20.\n</reasoning>\nFinal Answer: 87/20" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [95, 69, 33, 88, 82]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {95: 1, 69: 1, 33: 1, 88: 1, 82: 1}. Most frequent: [95, 69, 33, 88, 82].\n</reasoning>\nFinal Answer: [95, 69, 33, 88, 82]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Ravi has 197 apples and buys 128 more. How many apples does he have now?" }, { "role": "assistant", "content": "<reasoning>\nTotal = 197 + 128 = 325.\n</reasoning>\nFinal Answer: 325" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Calculate: 80 mod -827" }, { "role": "assistant", "content": "<reasoning>\n80 mod -827: 80 = -827 × -1 + -747, so remainder = -747.\n</reasoning>\nFinal Answer: -747" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Simplify: 3/13 + 18/17" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 3/13 + 18/17. Common denominator = 221. Result = 285/221.\n</reasoning>\nFinal Answer: 285/221" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 48, 35 and height 25." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (48+35) × 25 = 1037.5.\n</reasoning>\nFinal Answer: 1037.5" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹9147 at 6% per annum for 10 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 9147 × 6 × 10 / 100 = 5488.2.\n</reasoning>\nFinal Answer: 5488.2" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "An item costs ₹3097. If sales tax is 28%, what is the total price?" }, { "role": "assistant", "content": "<reasoning>\nTax amount = 3097 × 28/100 = 867.16. Total = 3097 + 867.16 = 3964.16.\n</reasoning>\nFinal Answer: 3964.16" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the mean of: [57, 98, 62, 79, 15]" }, { "role": "assistant", "content": "<reasoning>\nMean = sum/count = 311/5 = 62.2.\n</reasoning>\nFinal Answer: 62.2" } ]
easy
[ "statistics", "mean" ]
[ { "role": "user", "content": "Find the area of a rectangle with length 18 and width 56." }, { "role": "assistant", "content": "<reasoning>\nArea = length × width = 18 × 56 = 1008.\n</reasoning>\nFinal Answer: 1008" } ]
easy
[ "geometry", "area" ]
[ { "role": "user", "content": "Evaluate using order of operations: 39 + 38 * 44 - 42" }, { "role": "assistant", "content": "<reasoning>\nBODMAS: multiply first: 38×44=1672, then 39+1672-42=1669.\n</reasoning>\nFinal Answer: 1669" } ]
medium
[ "bodmas", "order_of_operations" ]
[ { "role": "user", "content": "What is 80% of 864?" }, { "role": "assistant", "content": "<reasoning>\n80% of 864 = (80/100) × 864 = 691.2.\n</reasoning>\nFinal Answer: 691.2" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Find the LCM (Least Common Multiple) of 3 and 50." }, { "role": "assistant", "content": "<reasoning>\nLCM = (a×b)/GCD = (3×50)/1 = 150.\n</reasoning>\nFinal Answer: 150" } ]
medium
[ "number_theory", "lcm" ]
[ { "role": "user", "content": "Increase 562 by 50%." }, { "role": "assistant", "content": "<reasoning>\nIncrease by 50%: 562 × (1 + 50/100) = 562 × 1.5 = 843.0.\n</reasoning>\nFinal Answer: 843.0" } ]
easy
[ "percentage", "arithmetic" ]
[ { "role": "user", "content": "Given A = [2, 3, 8, 10, 12, 14] and B = [2, 4, 5, 8, 10, 14], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [3, 4, 5, 12].\n</reasoning>\nFinal Answer: [3, 4, ...
medium
[ "set_theory" ]
[ { "role": "user", "content": "A train travels at 193 km/h. How far does it travel in 11 hours and 48 minutes?" }, { "role": "assistant", "content": "<reasoning>\nTime = 11 + 48/60 = 11.8000 hours. Distance = speed × time = 193 × 11.8000 = 2277.4 km.\n</reasoning>\nFinal Answer: 2277.4" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Find the area of a trapezoid with parallel sides 9, 26 and height 18." }, { "role": "assistant", "content": "<reasoning>\nArea = (1/2) × (a + b) × h = 0.5 × (9+26) × 18 = 315.0.\n</reasoning>\nFinal Answer: 315.0" } ]
medium
[ "geometry", "area" ]
[ { "role": "user", "content": "Given A = [2, 3, 9, 11, 13] and B = [2, 6, 7, 11, 14, 15], find A symmetric diff B." }, { "role": "assistant", "content": "<reasoning>\nSymmetric difference contains elements in exactly one of the sets. Result = [3, 6, 7, 9, 13, 14, 15].\n</reasoning>\nFinal Answer:...
medium
[ "set_theory" ]
[ { "role": "user", "content": "Find the mode of: [76, 27, 54, 55, 66, 19, 85, 96]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {76: 1, 27: 1, 54: 1, 55: 1, 66: 1, 19: 1, 85: 1, 96: 1}. Most frequent: [76, 27, 54, 55, 66, 19, 85, 96].\n</reasoning>\nFinal Answer: [76, 27,...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "20 is what percentage of 342?" }, { "role": "assistant", "content": "<reasoning>\n(20/342) × 100 = 5.848%.\n</reasoning>\nFinal Answer: 5.848%" } ]
medium
[ "percentage", "ratio" ]
[ { "role": "user", "content": "If the ratio of A to B is 3:5 and A = 51, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 3/5, so B = A × (5/3) = 51 × 5/3 = 85.0.\n</reasoning>\nFinal Answer: 85.0" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 1/15 / 1/8" }, { "role": "assistant", "content": "<reasoning>\nDivide: (1/15) ÷ (1/8) = (1/15) × (8/1) = 8/15.\n</reasoning>\nFinal Answer: 8/15" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "If the ratio of A to B is 16:12 and A = 14, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 16/12, so B = A × (12/16) = 14 × 12/16 = 10.5.\n</reasoning>\nFinal Answer: 10.5" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Find the prime factorization of 408." }, { "role": "assistant", "content": "<reasoning>\nDivide 408 by smallest primes repeatedly: 408 = 2 × 2 × 2 × 3 × 17.\n</reasoning>\nFinal Answer: 2 × 2 × 2 × 3 × 17" } ]
medium
[ "number_theory", "prime_factors" ]
[ { "role": "user", "content": "Simplify: 13/4 + 9/1" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 13/4 + 9/1. Common denominator = 4. Result = 49/4.\n</reasoning>\nFinal Answer: 49/4" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 185 - 514" }, { "role": "assistant", "content": "<reasoning>\nSubtract 514 from 185: 185 - 514 = -329.\n</reasoning>\nFinal Answer: -329" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "2 workers can complete a job in 8 days. How many days will 19 workers take?" }, { "role": "assistant", "content": "<reasoning>\nTotal work = 2 × 8 = 16 worker-days. New time = 16 / 19 = 0.8421 days.\n</reasoning>\nFinal Answer: 0.8421" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "If the ratio of A to B is 41:39 and A = 58, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 41/39, so B = A × (39/41) = 58 × 39/41 = 55.1707.\n</reasoning>\nFinal Answer: 55.1707" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "In an arithmetic progression with first term 4 and common difference 9, find the 16th term." }, { "role": "assistant", "content": "<reasoning>\nnth term = a + (n-1)d = 4 + (16-1)×9 = 4 + 135 = 139.\n</reasoning>\nFinal Answer: 139" } ]
medium
[ "sequences", "arithmetic_progression" ]
[ { "role": "user", "content": "Calculate simple interest on a principal of ₹39608 at 12% per annum for 5 years." }, { "role": "assistant", "content": "<reasoning>\nSI = P × R × T / 100 = 39608 × 12 × 5 / 100 = 23764.8.\n</reasoning>\nFinal Answer: 23764.8" } ]
medium
[ "word_problem", "applied_math" ]
[ { "role": "user", "content": "Simplify: 2/5 + 3/15" }, { "role": "assistant", "content": "<reasoning>\nAdd fractions: 2/5 + 3/15. Common denominator = 5. Result = 3/5.\n</reasoning>\nFinal Answer: 3/5" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Find the mode of: [40, 90, 40, 87, 87, 16, 23]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {40: 2, 90: 1, 87: 2, 16: 1, 23: 1}. Most frequent: [40, 87].\n</reasoning>\nFinal Answer: [40, 87]" } ]
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "If the ratio of A to B is 26:36 and A = 2, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 26/36, so B = A × (36/26) = 2 × 36/26 = 2.7692.\n</reasoning>\nFinal Answer: 2.7692" } ]
medium
[ "ratio", "proportion" ]
[ { "role": "user", "content": "Simplify: 10/19 * 15/3" }, { "role": "assistant", "content": "<reasoning>\nMultiply: (10/19) × (15/3) = (150/57) = 50/19 after simplification.\n</reasoning>\nFinal Answer: 50/19" } ]
medium
[ "fractions", "arithmetic" ]
[ { "role": "user", "content": "Calculate: 442 × 160" }, { "role": "assistant", "content": "<reasoning>\nMultiply 442 by 160: 442 × 160 = 70720.\n</reasoning>\nFinal Answer: 70720" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Calculate: -696 + -671" }, { "role": "assistant", "content": "<reasoning>\nAdd -696 and -671: -696 + -671 = -1367.\n</reasoning>\nFinal Answer: -1367" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "Find the mode of: [80, 21, 56, 27, 40, 60, 28]" }, { "role": "assistant", "content": "<reasoning>\nCount frequencies: {80: 1, 21: 1, 56: 1, 27: 1, 40: 1, 60: 1, 28: 1}. Most frequent: [80, 21, 56, 27, 40, 60, 28].\n</reasoning>\nFinal Answer: [80, 21, 56, 27, 40, 60...
easy
[ "statistics", "mode" ]
[ { "role": "user", "content": "Calculate: -511 ÷ -985" }, { "role": "assistant", "content": "<reasoning>\nDivide -511 by -985. -511 ÷ -985 = 0 (integer division).\n</reasoning>\nFinal Answer: 0" } ]
medium
[ "arithmetic", "computation" ]
[ { "role": "user", "content": "If the ratio of A to B is 26:9 and A = 76, find B." }, { "role": "assistant", "content": "<reasoning>\nA/B = 26/9, so B = A × (9/26) = 76 × 9/26 = 26.3077.\n</reasoning>\nFinal Answer: 26.3077" } ]
medium
[ "ratio", "proportion" ]