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prompt
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1 value
reward_model
dict
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dict
sub_source
stringclasses
6 values
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "In the West Lake of Goose City, one lake has a pair of swans plus two more swans, and one lake has three swans minus three swans. How many swans are there in total?", "role":...
math
{ "ground_truth": "12", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Each student inputs a natural number into a calculator, starting with 1 for the first student, 2 for the second student, and so on. The calculator's keys for numbers 4 and 8 are ...
math
{ "ground_truth": "155", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "A 2-kilogram model of a sports car body made of aluminum was created in a 1:8 scale. What is the mass of the actual car body, assuming it is also made entirely of aluminum?", ...
math
{ "ground_truth": "1024 \\, \\text{kg}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "A number is formed by repeating a three place number, find the common divisor for any number of this form.", "role": "user" } ]
math
{ "ground_truth": "1001", "style": "rule" }
{ "id": "numina_amc_aime-0", "rating": null, "split": "confidence_train", "sub_source": "amc_aime" }
amc_aime
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "In the same right triangle $ABC$ with $\\angle A = 90^\\circ$, where $AB =16$ and $BC = 24$, find $\\tan B$.", "role": "user" } ]
math
{ "ground_truth": "\\frac{3}{2}", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let \\(a, b,\\) and \\(c\\) be three distinct numbers. Solve the system\n\n$$\n\\left\\{\\begin{aligned}\nz + ay + a^{2}x + a^{3} &= 0 \\\\\nz + by + b^{2}x + b^{3} &= 0 \\\\\nz ...
math
{ "ground_truth": "2^{49}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given that Mindy made four purchases for $\\textdollar 2.47$, $\\textdollar 7.51$, $\\textdollar 11.56$, and $\\textdollar 4.98$, find her total, to the nearest dollar.", "ro...
math
{ "ground_truth": "27", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "<details><summary>D stands for Dedekind, Z stands for Zermelo</summary>they had two problem sets under those two names</details> \n\n\n<u>Set 4</u>**D16.** The cooking club at B...
math
{ "ground_truth": "58", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Find all functions $f: \\mathbb{R} \\rightarrow \\mathbb{R}$ from $C^2$ (id est, $f$ is twice differentiable and $f''$ is continuous.) such that for every real number $t...
math
{ "ground_truth": "f(x) = e^{cx^2}", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let $S=\\{1,2,3,\\cdots,100\\}$ . Find the maximum value of integer $k$ , such that there exist $k$ different nonempty subsets of $S$ satisfying the condition: for any two ...
math
{ "ground_truth": "2^{99} - 1", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "A 50-foot tree next to Bob is casting a 25-foot shadow. How tall, in feet, is Bob if he is casting a 6-foot shadow at the same time?", "role": "user" } ]
math
{ "ground_truth": "144", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Evaluate the expression $\\sqrt{80} - 3\\sqrt{20} + \\frac{\\sqrt{500}}{\\sqrt{5}} + 2\\sqrt{45}$.", "role": "user" } ]
math
{ "ground_truth": "4\\sqrt{5} + 10", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "\\(a\\) and \\(b\\) are positive reals and \\(a > b\\). Let \\(C\\) be the plane curve given by \\(r = a - b \\cos \\theta\\). For what values of \\(\\frac{b}{a}\\) is \\(C\\) co...
math
{ "ground_truth": "\\frac{b}{a} \\leq \\frac{1}{2}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "If the Cesàro sum of a 99-term sequence $(p_{1},p_{2},…,p_{99})$ is 1000, determine the Cesàro sum of the 100-term sequence $(9,p_{1},p_{2},…,p_{99})$.", "role": "user" } ]
math
{ "ground_truth": "999", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "If $O$ is the origin, vector $\\overrightarrow{OA}=(-1,2)$, and $\\overrightarrow{BA}=(3,3)$, find the coordinates of point $B$.", "role": "user" } ]
math
{ "ground_truth": "(-4,-1)", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "What is the residue of $15^{1234}$, modulo 19?", "role": "user" } ]
math
{ "ground_truth": "6", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let $\\star$ be an operation defined in the set of nonnegative integers with the following properties: for any nonnegative integers $x$ and $y$ ,\n(i) $(x + 1)\\star 0 = (0...
math
{ "ground_truth": "579", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "The number that squares to $9$ is ______.", "role": "user" } ]
math
{ "ground_truth": "\\pm 3", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "In triangle $DEF$, $DE = 4$, $DF = 6$, and $EF = 5$. The medians $DG$, $EH$, and $FI$ of triangle $DEF$ intersect at the centroid $J$. Let the projections of $J$ onto $EF$, $DF$,...
math
{ "ground_truth": "4.07888", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "For which values of the parameter \\( a \\) does the equation \\( f(x) = p(x) \\) have one solution, if \\( f(x) = \\left|\\frac{2 x^{3}-5 x^{2}-2 x+5}{(1.5 x-3)^{2}-(0.5 x-2)^{2...
math
{ "ground_truth": "-10", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let $\\clubsuit(x)$ denote the sum of the digits of the positive integer $x$. For example, $\\clubsuit(8)=8$ and $\\clubsuit(123)=1+2+3=6$. For how many two-digit values of $x$ i...
math
{ "ground_truth": "10", "style": "rule" }
{ "id": "numina_amc_aime-0", "rating": null, "split": "confidence_train", "sub_source": "amc_aime" }
amc_aime
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "a) Derive Vieta's formula from the result of problem 137.\n\nb) What is the value of the infinite product\n\n$$\n\\begin{aligned}\n& \\frac{1}{2} \\cdot \\sqrt{\\frac{1}{2}+\\fra...
math
{ "ground_truth": "\\frac{3}{4\\pi}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Determine the set of all $x$ for which the inequality $\\frac{x^3 - x^2 - 6x}{x^2 - 3x + 2} > 0$ holds.\nA) $x < -2$ or $-1 < x < 1$ or $x > 2$\nB) $x < -1$ or $x > 3$\nC) $-2 < ...
math
{ "ground_truth": "x > 3", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Is there a constant $m, n$ that makes the function $f(x) = (m^2-1)x^2 + (m-1)x + n + 2$ an odd function? If so, find the values of $m$ and $n$.", "role": "user" } ]
math
{ "ground_truth": "m = \\pm 1, n = 2", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "A $ 1$ by $ 1$ square $ABCD$ is inscribed in the circle $m$ . Circle $n$ has radius $1$ and is centered around $A$ . Let $S$ be the set of points inside of $m$ bu...
math
{ "ground_truth": "\\frac{\\pi}{4}", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Find the equation of the directrix of the parabola $y = \\frac{x^2 - 4x + 3}{8}$.", "role": "user" } ]
math
{ "ground_truth": "y = -\\frac{9}{8}", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "In $\\triangle ABC$, the sides opposite to angles $A$, $B$, $C$ are $a$, $b$, $c$ respectively. If $a + b + c = 20$, the area of the triangle is $10\\sqrt{3}$, and $A = 60^{\\cir...
math
{ "ground_truth": "7", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given the equation $\\frac{P}{8} = \\frac{8}{Q}$, where P and Q are positive integers, determine the number of ordered pairs (P, Q) that satisfy this equation.", "role": "use...
math
{ "ground_truth": "7", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Find the number of pairs of integers \\((x, y)\\) that satisfy the system of inequalities\n\n$$\n\\left\\{\\begin{array}{l}\ny \\geqslant 80 + x - 7^{80} \\\\\ny \\leqslant \\log...
math
{ "ground_truth": "\\frac{1}{2} \\cdot 7^{160} - \\frac{2}{3} \\cdot 7^{80} + \\frac{487}{6}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Find the area of a triangle with side lengths 7, 8, and 10.", "role": "user" } ]
math
{ "ground_truth": "39.335", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Compute \\(12 \\cdot \\left(\\frac{1}{3} + \\frac{1}{4} + \\frac{1}{6}\\right)^{-1}\\).", "role": "user" } ]
math
{ "ground_truth": "16", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let $a$ and $b$ be positive integers such that $2a - 9b + 18ab = 2018$ . Find $b - a$ .", "role": "user" } ]
math
{ "ground_truth": "223", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Seven distinct integers are picked at random from $\\{1, 2, 3, \\ldots, 12\\}$. What is the probability that, among those selected, the third smallest is $5$?", "role": "user...
math
{ "ground_truth": "\\frac{35}{132}", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given an integer $n \\ge 2$ , determine the number of ordered $n$ -tuples of integers $(a_1, a_2,...,a_n)$ such that\n(a) $a_1 + a_2 + .. + a_n \\ge n^2$ and\n(b) $a_1^2 ...
math
{ "ground_truth": "a_i = n \\text{ for all } 1 \\le i \\le n", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Four circles of radius $r = 2$ are externally tangent to each other and internally tangent to a larger circle. What is the radius of the larger circle? Express your answer in sim...
math
{ "ground_truth": "4\\sqrt{2} + 2", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "An isosceles trapezoid has legs each 20 cm, two diagonals each 25 cm, and the longer base is 30 cm. Calculate the area of the trapezoid in square centimeters.", "role": "user...
math
{ "ground_truth": "315.82 \\text{ cm}^2", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Consider all line segments of length 4 with one end-point on the line $y=x$ and the other end-point on the line $y=2x$ . Find the equation of the locus of the midpoints of the...
math
{ "ground_truth": "25x^2 - 36xy + 13y^2 = 4", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Find the equation of the line that passes through the point P(2,3) and has intercepts on the axes that are opposite in sign.", "role": "user" } ]
math
{ "ground_truth": "B: x-y+1=0 \\text{ or } 3x-2y=0", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "How many positive factors of 180 are also multiples of 15?", "role": "user" } ]
math
{ "ground_truth": "6", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Martha writes down a random mathematical expression consisting of 3 single-digit positive integers with an addition sign \" $+$ \" or a multiplication sign \" $\\times$ \" betwee...
math
{ "ground_truth": "50", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "We spill the content of a box of paprika-flavored and a box of bear's garlic-flavored, eight-slice Maci cheese onto a table, then put the 16 small cheese slices (with their label...
math
{ "ground_truth": "234", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Find all triples $ \\left(p,x,y\\right)$ such that $ p^x\\equal{}y^4\\plus{}4$ , where $ p$ is a prime and $ x$ and $ y$ are natural numbers.", "role": "user" } ]
math
{ "ground_truth": "(5, 1, 1)", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Compute $2021 \\cdot 2022 \\cdot 2023 \\cdot 2024$ modulo 7.", "role": "user" } ]
math
{ "ground_truth": "0", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "If the sides of a triangle are $35$, $85$, and $90$ units, find the length of the larger segment cut off by an altitude dropped upon the side of length $90$.", "role": "user"...
math
{ "ground_truth": "78.33", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Determine the largest possible natural number \\( n \\) for which there are \\( n \\) different subsets of \\( S = \\{1,2, \\ldots, 2017\\} \\) such that the union of no two of t...
math
{ "ground_truth": "2^{2016}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "In how many ways can the number 1024 be factored into three natural factors such that the first factor is a multiple of the second, and the second is a multiple of the third?", ...
math
{ "ground_truth": "14", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "What is the correct ordering of the three numbers, $10^9$, $5^{13}$, and $3^{15}$?", "role": "user" } ]
math
{ "ground_truth": "3^{15} < 10^9 < 5^{13}", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "If Xiluva puts two oranges in each basket, four oranges are in excess. If she puts five oranges in each basket, one basket is in excess. How many oranges and baskets has Xiluva?"...
math
{ "ground_truth": "o = 10", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given that LeRoy and Bernardo split costs equally, with LeRoy paying $A$ dollars and Bernardo paying $B$ dollars, calculate the amount LeRoy must give to Bernardo for them to sha...
math
{ "ground_truth": "\\frac{B - A}{2}", "style": "rule" }
{ "id": "numina_amc_aime-0", "rating": null, "split": "confidence_train", "sub_source": "amc_aime" }
amc_aime
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "A container in the shape of a right circular cone is 12 inches tall and its base has a 5-inch radius. The liquid that is sealed inside is 9 inches deep when the cone is held with...
math
{ "ground_truth": "52", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given the parabola \\( C: x^{2} = 2py \\) with \\( p > 0 \\), two tangents \\( RA \\) and \\( RB \\) are drawn from the point \\( R(1, -1) \\) to the parabola \\( C \\). The poin...
math
{ "ground_truth": "3 \\sqrt{3}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given the proposition \"$\\exists x \\in \\mathbb{R}$, $x^{2}+2ax+1 < 0$\" is true, the range of values for the real number $a$ is _______.", "role": "user" } ]
math
{ "ground_truth": "(-\\infty,-1)\\cup(1,+\\infty)", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "How many minutes before 16:00 was the angle between the hour and minute hands exactly the same as it is at 16:00?", "role": "user" } ]
math
{ "ground_truth": "21 \\frac{9}{11} \\approx 21.82 \\text{ minutes}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Consider parabolas $C_a: y=-2x^2+4ax-2a^2+a+1$ and $C: y=x^2-2x$ in the coordinate plane.\nWhen $C_a$ and $C$ have two intersection points, find the maximum area enclosed...
math
{ "ground_truth": "\\frac{27}{4\\sqrt{2}}", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "We know that there exists a positive integer with $7$ distinct digits which is multiple of each of them. What are its digits?\n\n(Paolo Leonetti)", "role": "user" } ]
math
{ "ground_truth": "\\{1, 2, 3, 6, 7, 8, 9\\}", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "What is the area enclosed by the graph of the equation $(x - 1)^2 + (y - 1)^2 = |x - 1| + |y - 1|$?\nA) $\\frac{\\pi}{4}$\nB) $\\frac{\\pi}{2}$\nC) $\\frac{\\pi}{3}$\nD) $\\pi$",...
math
{ "ground_truth": "\\frac{\\pi}{2}", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Calculate: \\((128)^{\\frac47}\\).", "role": "user" } ]
math
{ "ground_truth": "16", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Six test scores have a mean of 85, a median of 88, and a mode of 90. The highest score exceeds the second highest by 5 points. Find the sum of the three highest scores.", "ro...
math
{ "ground_truth": "275", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Passing through the origin of the coordinate plane are $180$ lines, including the coordinate axes,\nwhich form $1$ degree angles with one another at the origin. Determine the...
math
{ "ground_truth": "8950", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given proposition $p$: For $m \\in [-1,1]$, the inequality $a^{2}-5a-3 \\geqslant \\sqrt{m^{2}+8}$ always holds; proposition $q$: The inequality $x^{2}+ax+2 < 0$ has a solution. ...
math
{ "ground_truth": "-2\\sqrt{2} \\leqslant a \\leqslant -1", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let set $A=\\{-1, 1, 3\\}$ and set $B = \\{a + 2, a^2 + 4\\}$. If $A \\cap B = \\{3\\}$, then the real number $a = \\_\\_\\_\\_\\_.$", "role": "user" } ]
math
{ "ground_truth": "1", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "In $\\triangle ABC$, the ratio $AC:CB$ is $2:3$. The bisector of the internal angle at $C$ intersects $AB$ at point $D$. Find the ratio $AD:DB$.", "role": "user" } ]
math
{ "ground_truth": "\\frac{2}{3}", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "If the inequality $mx^{2}+mx-4 \\lt 2x^{2}+2x-1$ holds for any real number $x$, determine the range of real number $m$.", "role": "user" } ]
math
{ "ground_truth": "(-10,2]", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "If $3$ is a solution (root) of $x^3 + hx + 5 = 0$, determine the value of $h$.", "role": "user" } ]
math
{ "ground_truth": "-\\frac{32}{3}", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "The sum of three integers is $36$. When three more integers are added to the first three, the sum becomes $60$. Finally, when two more integers are added to the sum of the previo...
math
{ "ground_truth": "1", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given the sum of three numbers is 30, where one number is twice the sum of the other two, and the second number is five times the third, find the product of all three numbers.", ...
math
{ "ground_truth": "\\frac{2500}{9}", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "If the sum of two numbers is 1 and their product is 1, calculate the sum of their cubes.", "role": "user" } ]
math
{ "ground_truth": "-2", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "If $g(x) = 3^x + 2$, find the value of $g(x+1) - g(x)$.\nA) $2g(x) - 2$\nB) $g(x) + 2$\nC) $3g(x) - 2$\nD) $2g(x) + 2$", "role": "user" } ]
math
{ "ground_truth": "2g(x) - 2", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given a regular tetrahedron $OABC$ with side length 1. Let $D,\\ E$ be the midpoints of the sides $AB,\\ OC$ respectively.\nFind the scalar product of two vectors $\\overr...
math
{ "ground_truth": "\\frac{7}{6}", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "(1) The negation of the proposition: \"There exists $x_0 > -1$ such that $x_0^2+x_0-2018 > 0$\" is _______________.\n\n(2) The standard equation of the ellipse passing through $A...
math
{ "ground_truth": "5", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "What is the value of $\\frac{3a^{-2} + \\frac{a^{-3}}{3}}{a^2}$ when $a = 3$?", "role": "user" } ]
math
{ "ground_truth": "\\frac{28}{729}", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Determine the number of angles between 0 and $2 \\pi,$ excluding integer multiples of $\\frac{\\pi}{2},$ such that $\\sin^2 \\theta,$ $\\cos \\theta$, and $\\tan \\theta$ form a ...
math
{ "ground_truth": "2", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Cassie leaves Escanaba at 8:30 AM heading for Marquette on her bike, and bikes at a uniform rate of 12 miles per hour. Brian leaves Marquette at 9:00 AM heading for Escanaba on h...
math
{ "ground_truth": "11:00", "style": "rule" }
{ "id": "numina_amc_aime-0", "rating": null, "split": "confidence_train", "sub_source": "amc_aime" }
amc_aime
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "In $\\triangle ABC$, the side lengths opposite to angles $A$, $B$, and $C$ are $a$, $b$, and $c$ respectively. It is known that $a^2$, $b^2$, and $c^2$ form an arithmetic sequenc...
math
{ "ground_truth": "2 \\text{ or } \\sqrt{3}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "For a more concentrated lemonade, I use a ratio of $4$ parts water to $1$ part lemon juice. If I want to make $3$ gallons of lemonade, and there are four quarts in each gallon, h...
math
{ "ground_truth": "9.6", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given that Ella has 18 coins, all of which are nickels and dimes, and two more dimes than nickels results in a ratio of nickels to dimes, find the total worth of Ella's coins in ...
math
{ "ground_truth": "130", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given that $A$, $B$, and $C$ are distinct points on the graph of $y=x^2$ such that line $AB$ is parallel to the $x$-axis and $\\triangle ABC$ is a right triangle with area $2008$...
math
{ "ground_truth": "18", "style": "rule" }
{ "id": "numina_amc_aime-0", "rating": null, "split": "confidence_train", "sub_source": "amc_aime" }
amc_aime
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let $m\\ge 3$ and $n$ be positive integers such that $n>m(m-2)$ . Find the largest positive integer $d$ such that $d\\mid n!$ and $k\\nmid d$ for all $k\\in\\{m,m+1,\...
math
{ "ground_truth": "m-1", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "For a positive integer $n$ consider all its divisors $1 = d_1 < d_2 < \\ldots < d_k = n$ . For $2 \\le i \\le k-1$ , let's call divisor $d_i$ good, if $d_{i-1}d_{i+1}$ is...
math
{ "ground_truth": "n = 1", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "For what value of $m$ does the line represented by the equation $2m - 3x = 5y + 1$ contain the point $(-1, 3)$?", "role": "user" } ]
math
{ "ground_truth": "\\frac{13}{2}", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "The positive integers $ a$ and $ b$ are such that the numbers $ 15a \\plus{} 16b$ and $ 16a \\minus{} 15b$ are both squares of positive integers. What is the least possi...
math
{ "ground_truth": "481^2", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "A height $A H$ is drawn from the vertex $A$ to the base $BC$ of isosceles triangle $ABC$. A point $P$ is marked on the side $A B$ such that $C P = BC$. The segment $C P$ intersec...
math
{ "ground_truth": "30^\\circ, 75^\\circ, 75^\\circ", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let nonzero complex numbers \\( x \\) and \\( y \\) satisfy \\( x^{2} + xy + y^{2} = 0 \\). Calculate the value of the algebraic expression \\(\\left(\\frac{x}{x+y}\\right)^{1990...
math
{ "ground_truth": "-1", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let $ S$ be the set of nonnegative integers. Find all functions $ f,g,h: S\\rightarrow S$ such that\r\n\r $ f(m\\plus{}n)\\equal{}g(m)\\plus{}h(n),$ for all $ m,n\\in S$ , ...
math
{ "ground_truth": "f(n) = 2, g(n) = 1, h(n) = 1", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "How many nonzero terms are in the expansion of $$(x^2 + 2)(3x^3 + 5x^2 + 2) - 2(x^4 - 3x^3 + 2x^2)?$$", "role": "user" } ]
math
{ "ground_truth": "5", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "For the pair of positive integers \\((x, y)\\) such that \\(\\frac{x^{2}+y^{2}}{11}\\) is an integer and \\(\\frac{x^{2}+y^{2}}{11} \\leqslant 1991\\), find the number of such pa...
math
{ "ground_truth": "131", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Solve the system of equations \n\\[\n\\begin{cases}\n3x + \\sqrt{3x - y} + y = 6, \\\\\n9x^2 + 3x - y - y^2 = 36.\n\\end{cases}\n\\]", "role": "user" } ]
math
{ "ground_truth": "(2, -3), (6, -18).", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given that the major axis of an ellipse is $8$ and its eccentricity is $\\frac{3}{4}$, the standard equation of this ellipse is __________.", "role": "user" } ]
math
{ "ground_truth": "\\frac{x^{2}}{16}+ \\frac{y^{2}}{7}=1 \\text{ or } \\frac{x^{2}}{7}+ \\frac{y^{2}}{16}=1", "style": "rule" }
{ "id": "numina_cn_k12-0", "rating": null, "split": "confidence_train", "sub_source": "cn_k12" }
cn_k12
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "A sequence of numbers is defined recursively by $a_1 = 1$, $a_2 = \\frac{3}{7}$, and \n\\[a_n=\\frac{a_{n-2} \\cdot a_{n-1}}{2a_{n-2} - a_{n-1}}\\]for all $n \\geq 3$. Find the v...
math
{ "ground_truth": "8078", "style": "rule" }
{ "id": "numina_amc_aime-0", "rating": null, "split": "confidence_train", "sub_source": "amc_aime" }
amc_aime
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Ms. Thompson sold two books at $\\$4.50$ each. Determine the overall financial outcome when the profit on the first book is $25\\%$ and the loss on the second book is $25\\%$.", ...
math
{ "ground_truth": "-\\$0.60, or 60 cents lost", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given a regular pentagon with side length 1, draw the two diagonals from one vertex. This creates a net for a tetrahedron with a regular triangular base. What is the volume of th...
math
{ "ground_truth": "\\frac{1 + \\sqrt{5}}{24}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let $ABC$ be an equilateral triangle, and let $D$ and $F$ be points on sides $BC$ and $AB$ , respectively, with $FA=5$ and $CD=2$ . Point $E$ lies on side $CA$ s...
math
{ "ground_truth": "989", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Two regular tetrahedrons $A$ and $B$ are made with the 8 vertices of a unit cube. (this way is unique)\r\n\r\nWhat's the volume of $A\\cup B$ ?", "role": "user" } ]
math
{ "ground_truth": "\\frac{1}{2}", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "The altitude drawn to the base of an isosceles triangle is $10$, and the perimeter is $40$. Find the area of the triangle.", "role": "user" } ]
math
{ "ground_truth": "75", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Evaluate $\\lfloor 0.998 \\rfloor \\times \\lceil 1.999 \\rceil$.", "role": "user" } ]
math
{ "ground_truth": "0", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Let us solve the following system of equations:\n\n\\[\n\\begin{aligned}\nx + y + z &= a \\\\\nx^2 + y^2 + z^2 &= b^2 \\\\\nxy &= z^2 \n\\end{aligned}\n\\]\n\nwhere \\(a\\) and \...
math
{ "ground_truth": "b^2 \\geq \\frac{a^2}{2}", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "Given the expression $\\left(30 - \\left(3010 - 310\\right)\\right) + \\left(3010 - \\left(310 - 30\\right)\\right)$, simplify the expression.", "role": "user" } ]
math
{ "ground_truth": "60", "style": "rule" }
{ "id": "numina_synthetic_amc-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_amc" }
synthetic_amc
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "What percentage of the area of a circle is occupied by a square inscribed in it? Give the answer in whole percent, rounding as necessary.", "role": "user" } ]
math
{ "ground_truth": "64", "style": "rule" }
{ "id": "numina_olympiads-0", "rating": null, "split": "confidence_train", "sub_source": "olympiads" }
olympiads
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "We call a permutation $(a_1, a_2,\\cdots , a_n)$ of the set $\\{ 1,2,\\cdots, n\\}$ \"good\" if for any three natural numbers $i <j <k$ , $n\\nmid a_i+a_k-2a_j$ find all n...
math
{ "ground_truth": "n = 2^b", "style": "rule" }
{ "id": "numina_aops_forum-0", "rating": null, "split": "confidence_train", "sub_source": "aops_forum" }
aops_forum
math_box
[ { "content": "Please reason step by step, and put your final answer within \\boxed{}.", "role": "system" }, { "content": "The circumference of a particular circle is 36 cm. Calculate both the diameter and the area of the circle in square centimeters, expressing the area as a common fraction in terms...
math
{ "ground_truth": "\\frac{324}{\\pi} \\, \\text{square centimeters}", "style": "rule" }
{ "id": "numina_synthetic_math-0", "rating": null, "split": "confidence_train", "sub_source": "synthetic_math" }
synthetic_math