data_source null | prompt listlengths 1 1 | ability stringclasses 1 value | reward_model dict | index int64 0 918 | no_hint_prompt bool 1 class | problem stringlengths 37 2.66k | split stringclasses 5 values |
|---|---|---|---|---|---|---|---|
null | [
{
"content": "Let $x$ , $y$ and $z$ all exceed $1$ and let $w$ be a positive number such that $\\log_xw=24$ , $\\log_y w = 40$ and $\\log_{xyz}w=12$ . Find $\\log_zw$ .",
"role": "user"
}
] | math | {
"ground_truth": "60",
"style": "rule"
} | 0 | false | Let $x$ , $y$ and $z$ all exceed $1$ and let $w$ be a positive number such that $\log_xw=24$ , $\log_y w = 40$ and $\log_{xyz}w=12$ . Find $\log_zw$ . | train |
null | [
{
"content": "Let $f(x)=|x-p|+|x-15|+|x-p-15|$ , where $0 < p < 15$ . Determine the minimum value taken by $f(x)$ for $x$ in the interval $p \\leq x\\leq15$ .",
"role": "user"
}
] | math | {
"ground_truth": "15",
"style": "rule"
} | 1 | false | Let $f(x)=|x-p|+|x-15|+|x-p-15|$ , where $0 < p < 15$ . Determine the minimum value taken by $f(x)$ for $x$ in the interval $p \leq x\leq15$ . | train |
null | [
{
"content": "What is the product of the real roots of the equation $x^2 + 18x + 30 = 2 \\sqrt{x^2 + 18x + 45}$ ?",
"role": "user"
}
] | math | {
"ground_truth": "20",
"style": "rule"
} | 2 | false | What is the product of the real roots of the equation $x^2 + 18x + 30 = 2 \sqrt{x^2 + 18x + 45}$ ? | train |
null | [
{
"content": "A machine-shop cutting tool has the shape of a notched circle, as shown. The radius of the circle is $\\sqrt{50}$ cm, the length of $AB$ is $6$ cm and that of $BC$ is $2$ cm. The angle $ABC$ is a right angle. Find the square of the distance (in centimeters) from $B$ to the center of the circle. [a... | math | {
"ground_truth": "26",
"style": "rule"
} | 3 | false | A machine-shop cutting tool has the shape of a notched circle, as shown. The radius of the circle is $\sqrt{50}$ cm, the length of $AB$ is $6$ cm and that of $BC$ is $2$ cm. The angle $ABC$ is a right angle. Find the square of the distance (in centimeters) from $B$ to the center of the circle. [asy] size(150); defaultpen(linewidth(0.6)+fontsize(11)); real r=10; pair O=(0,0), A=r*dir(45),B=(A.x,A.y-r); path P=circle(O,r); pair C=intersectionpoint(B--(B.x+r,B.y),P); // Drawing arc instead of full circle //draw(P); draw(arc(O, r, degrees(A), degrees(C))); draw(C--B--A--B); dot(A); dot(B); dot(C); label("$A$",A,NE); label("$B$",B,S); label("$C$",C,SE); [/asy] | train |
null | [
{
"content": "Suppose that the sum of the squares of two complex numbers $x$ and $y$ is $7$ and the sum of the cubes is $10$ . What is the largest real value that $x + y$ can have?",
"role": "user"
}
] | math | {
"ground_truth": "4",
"style": "rule"
} | 4 | false | Suppose that the sum of the squares of two complex numbers $x$ and $y$ is $7$ and the sum of the cubes is $10$ . What is the largest real value that $x + y$ can have? | train |
null | [
{
"content": "Let $a_n=6^{n}+8^{n}$ . Determine the remainder on dividing $a_{83}$ by $49$ .",
"role": "user"
}
] | math | {
"ground_truth": "35",
"style": "rule"
} | 5 | false | Let $a_n=6^{n}+8^{n}$ . Determine the remainder on dividing $a_{83}$ by $49$ . | train |
null | [
{
"content": "Twenty five of King Arthur's knights are seated at their customary round table. Three of them are chosen - all choices being equally likely - and are sent off to slay a troublesome dragon. Let $P$ be the probability that at least two of the three had been sitting next to each other. If $P$ is writ... | math | {
"ground_truth": "57",
"style": "rule"
} | 6 | false | Twenty five of King Arthur's knights are seated at their customary round table. Three of them are chosen - all choices being equally likely - and are sent off to slay a troublesome dragon. Let $P$ be the probability that at least two of the three had been sitting next to each other. If $P$ is written as a fraction in lowest terms, what is the sum of the numerator and denominator? | train |
null | [
{
"content": "What is the largest $2$ -digit prime factor of the integer $n = {200\\choose 100}$ ?",
"role": "user"
}
] | math | {
"ground_truth": "61",
"style": "rule"
} | 7 | false | What is the largest $2$ -digit prime factor of the integer $n = {200\choose 100}$ ? | train |
null | [
{
"content": "Find the minimum value of $\\frac{9x^2\\sin^2 x + 4}{x\\sin x}$ for $0 < x < \\pi$ .",
"role": "user"
}
] | math | {
"ground_truth": "12",
"style": "rule"
} | 8 | false | Find the minimum value of $\frac{9x^2\sin^2 x + 4}{x\sin x}$ for $0 < x < \pi$ . | train |
null | [
{
"content": "The numbers $1447$ , $1005$ and $1231$ have something in common: each is a $4$ -digit number beginning with $1$ that has exactly two identical digits. How many such numbers are there?",
"role": "user"
}
] | math | {
"ground_truth": "432",
"style": "rule"
} | 9 | false | The numbers $1447$ , $1005$ and $1231$ have something in common: each is a $4$ -digit number beginning with $1$ that has exactly two identical digits. How many such numbers are there? | train |
null | [
{
"content": "The solid shown has a square base of side length $s$ . The upper edge is parallel to the base and has length $2s$ . All other edges have length $s$ . Given that $s=6\\sqrt{2}$ , what is the volume of the solid? [asy] import three; size(170); pathpen = black+linewidth(0.65); pointpen = black; curre... | math | {
"ground_truth": "288",
"style": "rule"
} | 10 | false | The solid shown has a square base of side length $s$ . The upper edge is parallel to the base and has length $2s$ . All other edges have length $s$ . Given that $s=6\sqrt{2}$ , what is the volume of the solid? [asy] import three; size(170); pathpen = black+linewidth(0.65); pointpen = black; currentprojection = perspective(30,-20,10); real s = 6 * 2^.5; triple A=(0,0,0),B=(s,0,0),C=(s,s,0),D=(0,s,0),E=(-s/2,s/2,6),F=(3*s/2,s/2,6); draw(A--B--C--D--A--E--D); draw(B--F--C); draw(E--F); label("A",A, S); label("B",B, S); label("C",C, S); label("D",D, S); label("E",E,N); label("F",F,N); [/asy] | train |
null | [
{
"content": "Diameter $AB$ of a circle has length a $2$ -digit integer (base ten). Reversing the digits gives the length of the perpendicular chord $CD$ . The distance from their intersection point $H$ to the center $O$ is a positive rational number. Determine the length of $AB$ . Pdfresizer.com-pdf-convert-ai... | math | {
"ground_truth": "65",
"style": "rule"
} | 11 | false | Diameter $AB$ of a circle has length a $2$ -digit integer (base ten). Reversing the digits gives the length of the perpendicular chord $CD$ . The distance from their intersection point $H$ to the center $O$ is a positive rational number. Determine the length of $AB$ . Pdfresizer.com-pdf-convert-aimeq12.png | train |
null | [
{
"content": "For $\\{1, 2, 3, \\ldots, n\\}$ and each of its nonempty subsets a unique alternating sum is defined as follows. Arrange the numbers in the subset in decreasing order and then, beginning with the largest, alternately add and subtract succesive numbers. For example, the alternating sum for $\\{1, 2... | math | {
"ground_truth": "448",
"style": "rule"
} | 12 | false | For $\{1, 2, 3, \ldots, n\}$ and each of its nonempty subsets a unique alternating sum is defined as follows. Arrange the numbers in the subset in decreasing order and then, beginning with the largest, alternately add and subtract succesive numbers. For example, the alternating sum for $\{1, 2, 3, 6,9\}$ is $9-6+3-2+1=5$ and for $\{5\}$ it is simply $5$ . Find the sum of all such alternating sums for $n=7$ . | train |
null | [
{
"content": "In the adjoining figure, two circles with radii $8$ and $6$ are drawn with their centers $12$ units apart. At $P$ , one of the points of intersection, a line is drawn in such a way that the chords $QP$ and $PR$ have equal length. Find the square of the length of $QP$ . [asy]size(160); defaultpen(l... | math | {
"ground_truth": "130",
"style": "rule"
} | 13 | false | In the adjoining figure, two circles with radii $8$ and $6$ are drawn with their centers $12$ units apart. At $P$ , one of the points of intersection, a line is drawn in such a way that the chords $QP$ and $PR$ have equal length. Find the square of the length of $QP$ . [asy]size(160); defaultpen(linewidth(.8pt)+fontsize(11pt)); dotfactor=3; pair O1=(0,0), O2=(12,0); path C1=Circle(O1,8), C2=Circle(O2,6); pair P=intersectionpoints(C1,C2)[0]; path C3=Circle(P,sqrt(130)); pair Q=intersectionpoints(C3,C1)[0]; pair R=intersectionpoints(C3,C2)[1]; draw(C1); draw(C2); draw(O2--O1); dot(O1); dot(O2); draw(Q--R); label("$Q$",Q,NW); label("$P$",P,1.5*dir(80)); label("$R$",R,NE); label("12",waypoint(O1--O2,0.4),S);[/asy] | train |
null | [
{
"content": "The adjoining figure shows two intersecting chords in a circle, with $B$ on minor arc $AD$ . Suppose that the radius of the circle is $5$ , that $BC=6$ , and that $AD$ is bisected by $BC$ . Suppose further that $AD$ is the only chord starting at $A$ which is bisected by $BC$ . It follows that the ... | math | {
"ground_truth": "175",
"style": "rule"
} | 14 | false | The adjoining figure shows two intersecting chords in a circle, with $B$ on minor arc $AD$ . Suppose that the radius of the circle is $5$ , that $BC=6$ , and that $AD$ is bisected by $BC$ . Suppose further that $AD$ is the only chord starting at $A$ which is bisected by $BC$ . It follows that the sine of the central angle of minor arc $AB$ is a rational number. If this number is expressed as a fraction $\frac{m}{n}$ in lowest terms, what is the product $mn$ ? [asy]size(140); defaultpen(linewidth(.8pt)+fontsize(11pt)); dotfactor=1; pair O1=(0,0); pair A=(-0.91,-0.41); pair B=(-0.99,0.13); pair C=(0.688,0.728); pair D=(-0.25,0.97); path C1=Circle(O1,1); draw(C1); label("$A$",A,W); label("$B$",B,W); label("$C$",C,NE); label("$D$",D,N); draw(A--D); draw(B--C); pair F=intersectionpoint(A--D,B--C); add(pathticks(A--F,1,0.5,0,3.5)); add(pathticks(F--D,1,0.5,0,3.5)); [/asy] | train |
null | [
{
"content": "Find the value of $a_2+a_4+a_6+a_8+\\ldots+a_{98}$ if $a_1$ , $a_2$ , $a_3\\ldots$ is an arithmetic progression with common difference 1, and $a_1+a_2+a_3+\\ldots+a_{98}=137$ .",
"role": "user"
}
] | math | {
"ground_truth": "93",
"style": "rule"
} | 15 | false | Find the value of $a_2+a_4+a_6+a_8+\ldots+a_{98}$ if $a_1$ , $a_2$ , $a_3\ldots$ is an arithmetic progression with common difference 1, and $a_1+a_2+a_3+\ldots+a_{98}=137$ . | train |
null | [
{
"content": "The integer $n$ is the smallest positive multiple of $15$ such that every digit of $n$ is either $8$ or $0$ . Compute $\\frac{n}{15}$ .",
"role": "user"
}
] | math | {
"ground_truth": "592",
"style": "rule"
} | 16 | false | The integer $n$ is the smallest positive multiple of $15$ such that every digit of $n$ is either $8$ or $0$ . Compute $\frac{n}{15}$ . | train |
null | [
{
"content": "A point $P$ is chosen in the interior of $\\triangle ABC$ such that when lines are drawn through $P$ parallel to the sides of $\\triangle ABC$ , the resulting smaller triangles $t_{1}$ , $t_{2}$ , and $t_{3}$ in the figure, have areas $4$ , $9$ , and $49$ , respectively. Find the area of $\\triang... | math | {
"ground_truth": "144",
"style": "rule"
} | 17 | false | A point $P$ is chosen in the interior of $\triangle ABC$ such that when lines are drawn through $P$ parallel to the sides of $\triangle ABC$ , the resulting smaller triangles $t_{1}$ , $t_{2}$ , and $t_{3}$ in the figure, have areas $4$ , $9$ , and $49$ , respectively. Find the area of $\triangle ABC$ . [asy] size(200); pathpen=black+linewidth(0.65);pointpen=black; pair A=(0,0),B=(12,0),C=(4,5); D(A--B--C--cycle); D(A+(B-A)*3/4--A+(C-A)*3/4); D(B+(C-B)*5/6--B+(A-B)*5/6);D(C+(B-C)*5/12--C+(A-C)*5/12); MP("A",C,N);MP("B",A,SW);MP("C",B,SE); /* sorry mixed up points according to resources diagram. */ MP("t_3",(A+B+(B-A)*3/4+(A-B)*5/6)/2+(-1,0.8),N); MP("t_2",(B+C+(B-C)*5/12+(C-B)*5/6)/2+(-0.3,0.1),WSW); MP("t_1",(A+C+(C-A)*3/4+(A-C)*5/12)/2+(0,0.15),ESE); [/asy] | train |
null | [
{
"content": "Let $S$ be a list of positive integers--not necessarily distinct--in which the number $68$ appears. The average (arithmetic mean) of the numbers in $S$ is $56$ . However, if $68$ is removed, the average of the remaining numbers drops to $55$ . What is the largest number that can appear in $S$ ?",
... | math | {
"ground_truth": "649",
"style": "rule"
} | 18 | false | Let $S$ be a list of positive integers--not necessarily distinct--in which the number $68$ appears. The average (arithmetic mean) of the numbers in $S$ is $56$ . However, if $68$ is removed, the average of the remaining numbers drops to $55$ . What is the largest number that can appear in $S$ ? | train |
null | [
{
"content": "Determine the value of $ab$ if $\\log_8a+\\log_4b^2=5$ and $\\log_8b+\\log_4a^2=7$ .",
"role": "user"
}
] | math | {
"ground_truth": "512",
"style": "rule"
} | 19 | false | Determine the value of $ab$ if $\log_8a+\log_4b^2=5$ and $\log_8b+\log_4a^2=7$ . | train |
null | [
{
"content": "Three circles, each of radius $3$ , are drawn with centers at $(14, 92)$ , $(17, 76)$ , and $(19, 84)$ . A line passing through $(17,76)$ is such that the total area of the parts of the three circles to one side of the line is equal to the total area of the parts of the three circles to the other ... | math | {
"ground_truth": "24",
"style": "rule"
} | 20 | false | Three circles, each of radius $3$ , are drawn with centers at $(14, 92)$ , $(17, 76)$ , and $(19, 84)$ . A line passing through $(17,76)$ is such that the total area of the parts of the three circles to one side of the line is equal to the total area of the parts of the three circles to the other side of it. What is the absolute value of the slope of this line? | train |
null | [
{
"content": "The function f is defined on the set of integers and satisfies $f(n)= \\begin{cases} n-3 & \\mbox{if }n\\ge 1000 \\\\ f(f(n+5)) & \\mbox{if }n<1000 \\end{cases}$ Find $f(84)$ .",
"role": "user"
}
] | math | {
"ground_truth": "997",
"style": "rule"
} | 21 | false | The function f is defined on the set of integers and satisfies $f(n)= \begin{cases} n-3 & \mbox{if }n\ge 1000 \\ f(f(n+5)) & \mbox{if }n<1000 \end{cases}$ Find $f(84)$ . | train |
null | [
{
"content": "The equation $z^6+z^3+1=0$ has complex roots with argument $\\theta$ between $90^\\circ$ and $180^\\circ$ in the complex plane. Determine the degree measure of $\\theta$ .",
"role": "user"
}
] | math | {
"ground_truth": "160",
"style": "rule"
} | 22 | false | The equation $z^6+z^3+1=0$ has complex roots with argument $\theta$ between $90^\circ$ and $180^\circ$ in the complex plane. Determine the degree measure of $\theta$ . | train |
null | [
{
"content": "In tetrahedron $ABCD$ , edge $AB$ has length 3 cm. The area of face $ABC$ is $15\\mbox{cm}^2$ and the area of face $ABD$ is $12 \\mbox { cm}^2$ . These two faces meet each other at a $30^\\circ$ angle. Find the volume of the tetrahedron in $\\mbox{cm}^3$ .",
"role": "user"
}
] | math | {
"ground_truth": "20",
"style": "rule"
} | 23 | false | In tetrahedron $ABCD$ , edge $AB$ has length 3 cm. The area of face $ABC$ is $15\mbox{cm}^2$ and the area of face $ABD$ is $12 \mbox { cm}^2$ . These two faces meet each other at a $30^\circ$ angle. Find the volume of the tetrahedron in $\mbox{cm}^3$ . | train |
null | [
{
"content": "Mary told John her score on the American High School Mathematics Examination (AHSME), which was over $80$ . From this, John was able to determine the number of problems Mary solved correctly. If Mary's score had been any lower, but still over $80$ , John could not have determined this. What was Ma... | math | {
"ground_truth": "119",
"style": "rule"
} | 24 | false | Mary told John her score on the American High School Mathematics Examination (AHSME), which was over $80$ . From this, John was able to determine the number of problems Mary solved correctly. If Mary's score had been any lower, but still over $80$ , John could not have determined this. What was Mary's score? (Recall that the AHSME consists of $30$ multiple choice problems and that one's score, $s$ , is computed by the formula $s=30+4c-w$ , where $c$ is the number of correct answers and $w$ is the number of wrong answers. Students are not penalized for problems left unanswered.) | train |
null | [
{
"content": "A gardener plants three maple trees, four oaks, and five birch trees in a row. He plants them in random order, each arrangement being equally likely. Let $\\frac m n$ in lowest terms be the probability that no two birch trees are next to one another. Find $m+n$ . ",
"role": "user"
}
] | math | {
"ground_truth": "106",
"style": "rule"
} | 25 | false | A gardener plants three maple trees, four oaks, and five birch trees in a row. He plants them in random order, each arrangement being equally likely. Let $\frac m n$ in lowest terms be the probability that no two birch trees are next to one another. Find $m+n$ . | train |
null | [
{
"content": "A function $f$ is defined for all real numbers and satisfies $f(2+x)=f(2-x)$ and $f(7+x)=f(7-x)$ for all $x$ . If $x=0$ is a root for $f(x)=0$ , what is the least number of roots $f(x)=0$ must have in the interval $-1000\\leq x \\leq 1000$ ?",
"role": "user"
}
] | math | {
"ground_truth": "401",
"style": "rule"
} | 26 | false | A function $f$ is defined for all real numbers and satisfies $f(2+x)=f(2-x)$ and $f(7+x)=f(7-x)$ for all $x$ . If $x=0$ is a root for $f(x)=0$ , what is the least number of roots $f(x)=0$ must have in the interval $-1000\leq x \leq 1000$ ? | train |
null | [
{
"content": "Find the value of $10\\cot(\\cot^{-1}3+\\cot^{-1}7+\\cot^{-1}13+\\cot^{-1}21).$",
"role": "user"
}
] | math | {
"ground_truth": "15",
"style": "rule"
} | 27 | false | Find the value of $10\cot(\cot^{-1}3+\cot^{-1}7+\cot^{-1}13+\cot^{-1}21).$ | train |
null | [
{
"content": "What is the largest even integer that cannot be written as the sum of two odd composite numbers? ",
"role": "user"
}
] | math | {
"ground_truth": "38",
"style": "rule"
} | 28 | false | What is the largest even integer that cannot be written as the sum of two odd composite numbers? | train |
null | [
{
"content": "Let $x_1=97$ , and for $n>1$ let $x_n=\\frac{n}{x_{n-1}}$ . Calculate the product $x_1x_2 \\ldots x_8$ .",
"role": "user"
}
] | math | {
"ground_truth": "384",
"style": "rule"
} | 29 | false | Let $x_1=97$ , and for $n>1$ let $x_n=\frac{n}{x_{n-1}}$ . Calculate the product $x_1x_2 \ldots x_8$ . | train |
null | [
{
"content": "When a right triangle is rotated about one leg, the volume of the cone produced is $800\\pi \\;\\textrm{cm}^3$ . When the triangle is rotated about the other leg, the volume of the cone produced is $1920\\pi \\;\\textrm{cm}^3$ . What is the length (in cm) of the hypotenuse of the triangle?",
"... | math | {
"ground_truth": "26",
"style": "rule"
} | 30 | false | When a right triangle is rotated about one leg, the volume of the cone produced is $800\pi \;\textrm{cm}^3$ . When the triangle is rotated about the other leg, the volume of the cone produced is $1920\pi \;\textrm{cm}^3$ . What is the length (in cm) of the hypotenuse of the triangle? | train |
null | [
{
"content": "Find $c$ if $a$ , $b$ , and $c$ are positive integers which satisfy $c=(a + bi)^3 - 107i$ , where $i^2 = -1$ .",
"role": "user"
}
] | math | {
"ground_truth": "198",
"style": "rule"
} | 31 | false | Find $c$ if $a$ , $b$ , and $c$ are positive integers which satisfy $c=(a + bi)^3 - 107i$ , where $i^2 = -1$ . | train |
null | [
{
"content": "A small square is constructed inside a square of area $1$ by dividing each side of the unit square into $n$ equal parts, and then connecting the vertices to the division points closest to the opposite vertices, as shown in the figure. Find the value of $n$ if the the area of the small square is ... | math | {
"ground_truth": "32",
"style": "rule"
} | 32 | false | A small square is constructed inside a square of area $1$ by dividing each side of the unit square into $n$ equal parts, and then connecting the vertices to the division points closest to the opposite vertices, as shown in the figure. Find the value of $n$ if the the area of the small square is exactly $\frac1{1985}$ . AIME 1985 Problem 4.png | train |
null | [
{
"content": "A sequence of integers $a_1, a_2, a_3, \\ldots$ is chosen so that $a_n = a_{n - 1} - a_{n - 2}$ for each $n \\ge 3$ . What is the sum of the first $2001$ terms of this sequence if the sum of the first $1492$ terms is $1985$ , and the sum of the first $1985$ terms is $1492$ ?",
"role": "user"
... | math | {
"ground_truth": "986",
"style": "rule"
} | 33 | false | A sequence of integers $a_1, a_2, a_3, \ldots$ is chosen so that $a_n = a_{n - 1} - a_{n - 2}$ for each $n \ge 3$ . What is the sum of the first $2001$ terms of this sequence if the sum of the first $1492$ terms is $1985$ , and the sum of the first $1985$ terms is $1492$ ? | train |
null | [
{
"content": "As shown in the figure, $\\triangle ABC$ is divided into six smaller triangles by lines drawn from the vertices through a common interior point. The areas of four of these triangles are as indicated. Find the area of $\\triangle ABC$ . AIME 1985 Problem 6.png",
"role": "user"
}
] | math | {
"ground_truth": "315",
"style": "rule"
} | 34 | false | As shown in the figure, $\triangle ABC$ is divided into six smaller triangles by lines drawn from the vertices through a common interior point. The areas of four of these triangles are as indicated. Find the area of $\triangle ABC$ . AIME 1985 Problem 6.png | train |
null | [
{
"content": "Assume that $a$ , $b$ , $c$ and $d$ are positive integers such that $a^5 = b^4$ , $c^3 = d^2$ and $c - a = 19$ . Determine $d - b$ .",
"role": "user"
}
] | math | {
"ground_truth": "757",
"style": "rule"
} | 35 | false | Assume that $a$ , $b$ , $c$ and $d$ are positive integers such that $a^5 = b^4$ , $c^3 = d^2$ and $c - a = 19$ . Determine $d - b$ . | train |
null | [
{
"content": "The sum of the following seven numbers is exactly 19: $a_1 = 2.56$ , $a_2 = 2.61$ , $a_3 = 2.65$ , $a_4 = 2.71$ , $a_5 = 2.79$ , $a_6 = 2.82$ , $a_7 = 2.86$ . It is desired to replace each $a_i$ by an integer approximation $A_i$ , $1\\le i \\le 7$ , so that the sum of the $A_i$ 's is also $19$ and... | math | {
"ground_truth": "61",
"style": "rule"
} | 36 | false | The sum of the following seven numbers is exactly 19: $a_1 = 2.56$ , $a_2 = 2.61$ , $a_3 = 2.65$ , $a_4 = 2.71$ , $a_5 = 2.79$ , $a_6 = 2.82$ , $a_7 = 2.86$ . It is desired to replace each $a_i$ by an integer approximation $A_i$ , $1\le i \le 7$ , so that the sum of the $A_i$ 's is also $19$ and so that $M$ , the maximum of the "errors" $\lvert A_i-a_i \rvert$ , is as small as possible. For this minimum $M$ , what is $100M$ ? | train |
null | [
{
"content": "In a circle, parallel chords of lengths $2$ , $3$ , and $4$ determine central angles of $\\alpha$ , $\\beta$ , and $\\alpha + \\beta$ radians, respectively, where $\\alpha + \\beta < \\pi$ . If $\\cos \\alpha$ , which is a positive rational number, is expressed as a fraction in lowest terms, what ... | math | {
"ground_truth": "49",
"style": "rule"
} | 37 | false | In a circle, parallel chords of lengths $2$ , $3$ , and $4$ determine central angles of $\alpha$ , $\beta$ , and $\alpha + \beta$ radians, respectively, where $\alpha + \beta < \pi$ . If $\cos \alpha$ , which is a positive rational number, is expressed as a fraction in lowest terms, what is the sum of its numerator and denominator? | train |
null | [
{
"content": "How many of the first $1000$ positive integers can be expressed in the form $\\lfloor 2x \\rfloor + \\lfloor 4x \\rfloor + \\lfloor 6x \\rfloor + \\lfloor 8x \\rfloor$ , where $x$ is a real number, and $\\lfloor z \\rfloor$ denotes the greatest integer less than or equal to $z$ ?",
"role": "us... | math | {
"ground_truth": "600",
"style": "rule"
} | 38 | false | How many of the first $1000$ positive integers can be expressed in the form $\lfloor 2x \rfloor + \lfloor 4x \rfloor + \lfloor 6x \rfloor + \lfloor 8x \rfloor$ , where $x$ is a real number, and $\lfloor z \rfloor$ denotes the greatest integer less than or equal to $z$ ? | train |
null | [
{
"content": "An ellipse has foci at $(9, 20)$ and $(49, 55)$ in the $xy$ -plane and is tangent to the $x$ -axis. What is the length of its major axis?",
"role": "user"
}
] | math | {
"ground_truth": "85",
"style": "rule"
} | 39 | false | An ellipse has foci at $(9, 20)$ and $(49, 55)$ in the $xy$ -plane and is tangent to the $x$ -axis. What is the length of its major axis? | train |
null | [
{
"content": "Let $A$ , $B$ , $C$ and $D$ be the vertices of a regular tetrahedron, each of whose edges measures $1$ meter. A bug, starting from vertex $A$ , observes the following rule: at each vertex it chooses one of the three edges meeting at that vertex, each edge being equally likely to be chosen, and cra... | math | {
"ground_truth": "182",
"style": "rule"
} | 40 | false | Let $A$ , $B$ , $C$ and $D$ be the vertices of a regular tetrahedron, each of whose edges measures $1$ meter. A bug, starting from vertex $A$ , observes the following rule: at each vertex it chooses one of the three edges meeting at that vertex, each edge being equally likely to be chosen, and crawls along that edge to the vertex at its opposite end. Let $p = \frac{n}{729}$ be the probability that the bug is at vertex $A$ when it has crawled exactly $7$ meters. Find the value of $n$ . | train |
null | [
{
"content": "The numbers in the sequence $101$ , $104$ , $109$ , $116$ , $\\ldots$ are of the form $a_n=100+n^2$ , where $n=1,2,3,\\ldots$ . For each $n$ , let $d_n$ be the greatest common divisor of $a_n$ and $a_{n+1}$ . Find the maximum value of $d_n$ as $n$ ranges through the positive integers .",
"role... | math | {
"ground_truth": "401",
"style": "rule"
} | 41 | false | The numbers in the sequence $101$ , $104$ , $109$ , $116$ , $\ldots$ are of the form $a_n=100+n^2$ , where $n=1,2,3,\ldots$ . For each $n$ , let $d_n$ be the greatest common divisor of $a_n$ and $a_{n+1}$ . Find the maximum value of $d_n$ as $n$ ranges through the positive integers . | train |
null | [
{
"content": "In a tournament each player played exactly one game against each of the other players. In each game the winner was awarded 1 point, the loser got 0 points, and each of the two players earned $\\frac{1}{2}$ point if the game was a tie. After the completion of the tournament, it was found that exact... | math | {
"ground_truth": "25",
"style": "rule"
} | 42 | false | In a tournament each player played exactly one game against each of the other players. In each game the winner was awarded 1 point, the loser got 0 points, and each of the two players earned $\frac{1}{2}$ point if the game was a tie. After the completion of the tournament, it was found that exactly half of the points earned by each player were earned in games against the ten players with the least number of points. (In particular, each of the ten lowest scoring players earned half of her/his points against the other nine of the ten). What was the total number of players in the tournament? | train |
null | [
{
"content": "Three $12$ cm $\\times 12$ cm squares are each cut into two pieces $A$ and $B$ , as shown in the first figure below, by joining the midpoints of two adjacent sides. These six pieces are then attached to a regular hexagon , as shown in the second figure, so as to fold into a polyhedron . What is th... | math | {
"ground_truth": "864",
"style": "rule"
} | 43 | false | Three $12$ cm $\times 12$ cm squares are each cut into two pieces $A$ and $B$ , as shown in the first figure below, by joining the midpoints of two adjacent sides. These six pieces are then attached to a regular hexagon , as shown in the second figure, so as to fold into a polyhedron . What is the volume (in $\mathrm{cm}^3$ ) of this polyhedron? AIME 1985 Problem 15.png | train |
null | [
{
"content": "What is the sum of the solutions to the equation $\\sqrt[4]{x} = \\frac{12}{7 - \\sqrt[4]{x}}$ ?",
"role": "user"
}
] | math | {
"ground_truth": "337",
"style": "rule"
} | 44 | false | What is the sum of the solutions to the equation $\sqrt[4]{x} = \frac{12}{7 - \sqrt[4]{x}}$ ? | train |
null | [
{
"content": "Evaluate the product \\[\\left(\\sqrt{5}+\\sqrt{6}+\\sqrt{7}\\right)\\left(\\sqrt{5}+\\sqrt{6}-\\sqrt{7}\\right)\\left(\\sqrt{5}-\\sqrt{6}+\\sqrt{7}\\right)\\left(-\\sqrt{5}+\\sqrt{6}+\\sqrt{7}\\right).\\]",
"role": "user"
}
] | math | {
"ground_truth": "104",
"style": "rule"
} | 45 | false | Evaluate the product \[\left(\sqrt{5}+\sqrt{6}+\sqrt{7}\right)\left(\sqrt{5}+\sqrt{6}-\sqrt{7}\right)\left(\sqrt{5}-\sqrt{6}+\sqrt{7}\right)\left(-\sqrt{5}+\sqrt{6}+\sqrt{7}\right).\] | train |
null | [
{
"content": "If $\\tan x+\\tan y=25$ and $\\cot x + \\cot y=30$ , what is $\\tan(x+y)$ ?",
"role": "user"
}
] | math | {
"ground_truth": "150",
"style": "rule"
} | 46 | false | If $\tan x+\tan y=25$ and $\cot x + \cot y=30$ , what is $\tan(x+y)$ ? | train |
null | [
{
"content": "What is that largest positive integer $n$ for which $n^3+100$ is divisible by $n+10$ ?",
"role": "user"
}
] | math | {
"ground_truth": "890",
"style": "rule"
} | 47 | false | What is that largest positive integer $n$ for which $n^3+100$ is divisible by $n+10$ ? | train |
null | [
{
"content": "The pages of a book are numbered $1_{}^{}$ through $n_{}^{}$ . When the page numbers of the book were added, one of the page numbers was mistakenly added twice, resulting in an incorrect sum of $1986_{}^{}$ . What was the number of the page that was added twice?",
"role": "user"
}
] | math | {
"ground_truth": "33",
"style": "rule"
} | 48 | false | The pages of a book are numbered $1_{}^{}$ through $n_{}^{}$ . When the page numbers of the book were added, one of the page numbers was mistakenly added twice, resulting in an incorrect sum of $1986_{}^{}$ . What was the number of the page that was added twice? | train |
null | [
{
"content": "The increasing sequence $1,3,4,9,10,12,13\\cdots$ consists of all those positive integers which are powers of 3 or sums of distinct powers of 3. Find the $100^{\\mbox{th}}$ term of this sequence.",
"role": "user"
}
] | math | {
"ground_truth": "981",
"style": "rule"
} | 49 | false | The increasing sequence $1,3,4,9,10,12,13\cdots$ consists of all those positive integers which are powers of 3 or sums of distinct powers of 3. Find the $100^{\mbox{th}}$ term of this sequence. | train |
null | [
{
"content": "Let $S$ be the sum of the base $10$ logarithms of all the proper divisors of $1000000$ . What is the integer nearest to $S$ ?",
"role": "user"
}
] | math | {
"ground_truth": "141",
"style": "rule"
} | 50 | false | Let $S$ be the sum of the base $10$ logarithms of all the proper divisors of $1000000$ . What is the integer nearest to $S$ ? | train |
null | [
{
"content": "In $\\triangle ABC$ , $AB= 425$ , $BC=450$ , and $AC=510$ . An interior point $P$ is then drawn, and segments are drawn through $P$ parallel to the sides of the triangle. If these three segments are of an equal length $d$ , find $d$ .",
"role": "user"
}
] | math | {
"ground_truth": "306",
"style": "rule"
} | 51 | false | In $\triangle ABC$ , $AB= 425$ , $BC=450$ , and $AC=510$ . An interior point $P$ is then drawn, and segments are drawn through $P$ parallel to the sides of the triangle. If these three segments are of an equal length $d$ , find $d$ . | train |
null | [
{
"content": "In a parlor game, the magician asks one of the participants to think of a three digit number $(abc)$ where $a$ , $b$ , and $c$ represent digits in base $10$ in the order indicated. The magician then asks this person to form the numbers $(acb)$ , $(bca)$ , $(bac)$ , $(cab)$ , and $(cba)$ , to add t... | math | {
"ground_truth": "358",
"style": "rule"
} | 52 | false | In a parlor game, the magician asks one of the participants to think of a three digit number $(abc)$ where $a$ , $b$ , and $c$ represent digits in base $10$ in the order indicated. The magician then asks this person to form the numbers $(acb)$ , $(bca)$ , $(bac)$ , $(cab)$ , and $(cba)$ , to add these five numbers, and to reveal their sum, $N$ . If told the value of $N$ , the magician can identify the original number, $(abc)$ . Play the role of the magician and determine the $(abc)$ if $N= 3194$ . | train |
null | [
{
"content": "The polynomial $1-x+x^2-x^3+\\cdots+x^{16}-x^{17}$ may be written in the form $a_0+a_1y+a_2y^2+\\cdots +a_{16}y^{16}+a_{17}y^{17}$ , where $y=x+1$ and the $a_i$ 's are constants. Find the value of $a_2$ .",
"role": "user"
}
] | math | {
"ground_truth": "816",
"style": "rule"
} | 53 | false | The polynomial $1-x+x^2-x^3+\cdots+x^{16}-x^{17}$ may be written in the form $a_0+a_1y+a_2y^2+\cdots +a_{16}y^{16}+a_{17}y^{17}$ , where $y=x+1$ and the $a_i$ 's are constants. Find the value of $a_2$ . | train |
null | [
{
"content": "Let the sum of a set of numbers be the sum of its elements. Let $S$ be a set of positive integers, none greater than 15. Suppose no two disjoint subsets of $S$ have the same sum. What is the largest sum a set $S$ with these properties can have?",
"role": "user"
}
] | math | {
"ground_truth": "61",
"style": "rule"
} | 54 | false | Let the sum of a set of numbers be the sum of its elements. Let $S$ be a set of positive integers, none greater than 15. Suppose no two disjoint subsets of $S$ have the same sum. What is the largest sum a set $S$ with these properties can have? | train |
null | [
{
"content": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHHTTH of 15 coin tosses we observe that there are two HH... | math | {
"ground_truth": "560",
"style": "rule"
} | 55 | false | In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHHTTH of 15 coin tosses we observe that there are two HH, three HT, four TH, and five TT subsequences. How many different sequences of 15 coin tosses will contain exactly two HH, three HT, four TH, and five TT subsequences? | train |
null | [
{
"content": "The shortest distances between an interior diagonal of a rectangular parallelepiped , $P$ , and the edges it does not meet are $2\\sqrt{5}$ , $\\frac{30}{\\sqrt{13}}$ , and $\\frac{15}{\\sqrt{10}}$ . Determine the volume of $P$ .",
"role": "user"
}
] | math | {
"ground_truth": "750",
"style": "rule"
} | 56 | false | The shortest distances between an interior diagonal of a rectangular parallelepiped , $P$ , and the edges it does not meet are $2\sqrt{5}$ , $\frac{30}{\sqrt{13}}$ , and $\frac{15}{\sqrt{10}}$ . Determine the volume of $P$ . | train |
null | [
{
"content": "Let triangle $ABC$ be a right triangle in the $xy$ -plane with a right angle at $C_{}$ . Given that the length of the hypotenuse $AB$ is $60$ , and that the medians through $A$ and $B$ lie along the lines $y=x+3$ and $y=2x+4$ respectively, find the area of triangle $ABC$ .",
"role": "user"
}... | math | {
"ground_truth": "400",
"style": "rule"
} | 57 | false | Let triangle $ABC$ be a right triangle in the $xy$ -plane with a right angle at $C_{}$ . Given that the length of the hypotenuse $AB$ is $60$ , and that the medians through $A$ and $B$ lie along the lines $y=x+3$ and $y=2x+4$ respectively, find the area of triangle $ABC$ . | train |
null | [
{
"content": "An ordered pair $(m,n)$ of non-negative integers is called \"simple\" if the addition $m+n$ in base $10$ requires no carrying. Find the number of simple ordered pairs of non-negative integers that sum to $1492$ .",
"role": "user"
}
] | math | {
"ground_truth": "300",
"style": "rule"
} | 58 | false | An ordered pair $(m,n)$ of non-negative integers is called "simple" if the addition $m+n$ in base $10$ requires no carrying. Find the number of simple ordered pairs of non-negative integers that sum to $1492$ . | train |
null | [
{
"content": "What is the largest possible distance between two points, one on the sphere of radius 19 with center $(-2,-10,5),$ and the other on the sphere of radius 87 with center $(12,8,-16)$ ?",
"role": "user"
}
] | math | {
"ground_truth": "137",
"style": "rule"
} | 59 | false | What is the largest possible distance between two points, one on the sphere of radius 19 with center $(-2,-10,5),$ and the other on the sphere of radius 87 with center $(12,8,-16)$ ? | train |
null | [
{
"content": "By a proper divisor of a natural number we mean a positive integral divisor other than 1 and the number itself. A natural number greater than 1 will be called \"nice\" if it is equal to the product of its distinct proper divisors. What is the sum of the first ten nice numbers?",
"role": "user"... | math | {
"ground_truth": "182",
"style": "rule"
} | 60 | false | By a proper divisor of a natural number we mean a positive integral divisor other than 1 and the number itself. A natural number greater than 1 will be called "nice" if it is equal to the product of its distinct proper divisors. What is the sum of the first ten nice numbers? | train |
null | [
{
"content": "Find the area of the region enclosed by the graph of $|x-60|+|y|=\\left|\\frac{x}{4}\\right|.$",
"role": "user"
}
] | math | {
"ground_truth": "480",
"style": "rule"
} | 61 | false | Find the area of the region enclosed by the graph of $|x-60|+|y|=\left|\frac{x}{4}\right|.$ | train |
null | [
{
"content": "Find $3x^2 y^2$ if $x$ and $y$ are integers such that $y^2 + 3x^2 y^2 = 30x^2 + 517$ .",
"role": "user"
}
] | math | {
"ground_truth": "588",
"style": "rule"
} | 62 | false | Find $3x^2 y^2$ if $x$ and $y$ are integers such that $y^2 + 3x^2 y^2 = 30x^2 + 517$ . | train |
null | [
{
"content": "Rectangle $ABCD$ is divided into four parts of equal area by five segments as shown in the figure, where $XY = YB + BC + CZ = ZW = WD + DA + AX$ , and $PQ$ is parallel to $AB$ . Find the length of $AB$ (in cm) if $BC = 19$ cm and $PQ = 87$ cm. AIME 1987 Problem 6.png",
"role": "user"
}
] | math | {
"ground_truth": "193",
"style": "rule"
} | 63 | false | Rectangle $ABCD$ is divided into four parts of equal area by five segments as shown in the figure, where $XY = YB + BC + CZ = ZW = WD + DA + AX$ , and $PQ$ is parallel to $AB$ . Find the length of $AB$ (in cm) if $BC = 19$ cm and $PQ = 87$ cm. AIME 1987 Problem 6.png | train |
null | [
{
"content": "Let $[r,s]$ denote the least common multiple of positive integers $r$ and $s$ . Find the number of ordered triples $(a,b,c)$ of positive integers for which $[a,b] = 1000$ , $[b,c] = 2000$ , and $[c,a] = 2000$ .",
"role": "user"
}
] | math | {
"ground_truth": "70",
"style": "rule"
} | 64 | false | Let $[r,s]$ denote the least common multiple of positive integers $r$ and $s$ . Find the number of ordered triples $(a,b,c)$ of positive integers for which $[a,b] = 1000$ , $[b,c] = 2000$ , and $[c,a] = 2000$ . | train |
null | [
{
"content": "What is the largest positive integer $n$ for which there is a unique integer $k$ such that $\\frac{8}{15} < \\frac{n}{n + k} < \\frac{7}{13}$ ?",
"role": "user"
}
] | math | {
"ground_truth": "112",
"style": "rule"
} | 65 | false | What is the largest positive integer $n$ for which there is a unique integer $k$ such that $\frac{8}{15} < \frac{n}{n + k} < \frac{7}{13}$ ? | train |
null | [
{
"content": "Triangle $ABC$ has right angle at $B$ , and contains a point $P$ for which $PA = 10$ , $PB = 6$ , and $\\angle APB = \\angle BPC = \\angle CPA$ . Find $PC$ . AIME 1987 Problem 9.png",
"role": "user"
}
] | math | {
"ground_truth": "33",
"style": "rule"
} | 66 | false | Triangle $ABC$ has right angle at $B$ , and contains a point $P$ for which $PA = 10$ , $PB = 6$ , and $\angle APB = \angle BPC = \angle CPA$ . Find $PC$ . AIME 1987 Problem 9.png | train |
null | [
{
"content": "Al walks down to the bottom of an escalator that is moving up and he counts 150 steps. His friend, Bob, walks up to the top of the escalator and counts 75 steps. If Al's speed of walking (in steps per unit time) is three times Bob's walking speed, how many steps are visible on the escalator at a g... | math | {
"ground_truth": "120",
"style": "rule"
} | 67 | false | Al walks down to the bottom of an escalator that is moving up and he counts 150 steps. His friend, Bob, walks up to the top of the escalator and counts 75 steps. If Al's speed of walking (in steps per unit time) is three times Bob's walking speed, how many steps are visible on the escalator at a given time? (Assume that this value is constant.) | train |
null | [
{
"content": "Find the largest possible value of $k$ for which $3^{11}$ is expressible as the sum of $k$ consecutive positive integers.",
"role": "user"
}
] | math | {
"ground_truth": "486",
"style": "rule"
} | 68 | false | Find the largest possible value of $k$ for which $3^{11}$ is expressible as the sum of $k$ consecutive positive integers. | train |
null | [
{
"content": "Let $m$ be the smallest integer whose cube root is of the form $n+r$ , where $n$ is a positive integer and $r$ is a positive real number less than $1/1000$ . Find $n$ .",
"role": "user"
}
] | math | {
"ground_truth": "19",
"style": "rule"
} | 69 | false | Let $m$ be the smallest integer whose cube root is of the form $n+r$ , where $n$ is a positive integer and $r$ is a positive real number less than $1/1000$ . Find $n$ . | train |
null | [
{
"content": "Compute \\[\\frac{(10^4+324)(22^4+324)(34^4+324)(46^4+324)(58^4+324)}{(4^4+324)(16^4+324)(28^4+324)(40^4+324)(52^4+324)}.\\]",
"role": "user"
}
] | math | {
"ground_truth": "373",
"style": "rule"
} | 70 | false | Compute \[\frac{(10^4+324)(22^4+324)(34^4+324)(46^4+324)(58^4+324)}{(4^4+324)(16^4+324)(28^4+324)(40^4+324)(52^4+324)}.\] | train |
null | [
{
"content": "Squares $S_1$ and $S_2$ are inscribed in right triangle $ABC$ , as shown in the figures below. Find $AC + CB$ if area $(S_1) = 441$ and area $(S_2) = 440$ . AIME 1987 Problem 15.png",
"role": "user"
}
] | math | {
"ground_truth": "462",
"style": "rule"
} | 71 | false | Squares $S_1$ and $S_2$ are inscribed in right triangle $ABC$ , as shown in the figures below. Find $AC + CB$ if area $(S_1) = 441$ and area $(S_2) = 440$ . AIME 1987 Problem 15.png | train |
null | [
{
"content": "For any positive integer $k$ , let $f_1(k)$ denote the square of the sum of the digits of $k$ . For $n \\ge 2$ , let $f_n(k) = f_1(f_{n - 1}(k))$ . Find $f_{1988}(11)$ .",
"role": "user"
}
] | math | {
"ground_truth": "169",
"style": "rule"
} | 72 | false | For any positive integer $k$ , let $f_1(k)$ denote the square of the sum of the digits of $k$ . For $n \ge 2$ , let $f_n(k) = f_1(f_{n - 1}(k))$ . Find $f_{1988}(11)$ . | train |
null | [
{
"content": "Find $(\\log_2 x)^2$ if $\\log_2 (\\log_8 x) = \\log_8 (\\log_2 x)$ .",
"role": "user"
}
] | math | {
"ground_truth": "27",
"style": "rule"
} | 73 | false | Find $(\log_2 x)^2$ if $\log_2 (\log_8 x) = \log_8 (\log_2 x)$ . | train |
null | [
{
"content": "Let $\\frac{m}{n}$ , in lowest terms, be the probability that a randomly chosen positive divisor of $10^{99}$ is an integer multiple of $10^{88}$ . Find $m + n$ .",
"role": "user"
}
] | math | {
"ground_truth": "634",
"style": "rule"
} | 74 | false | Let $\frac{m}{n}$ , in lowest terms, be the probability that a randomly chosen positive divisor of $10^{99}$ is an integer multiple of $10^{88}$ . Find $m + n$ . | train |
null | [
{
"content": "In triangle $ABC$ , $\\tan \\angle CAB = 22/7$ , and the altitude from $A$ divides $BC$ into segments of length $3$ and $17$ . What is the area of triangle $ABC$ ?",
"role": "user"
}
] | math | {
"ground_truth": "110",
"style": "rule"
} | 75 | false | In triangle $ABC$ , $\tan \angle CAB = 22/7$ , and the altitude from $A$ divides $BC$ into segments of length $3$ and $17$ . What is the area of triangle $ABC$ ? | train |
null | [
{
"content": "The function $f$ , defined on the set of ordered pairs of positive integers, satisfies the following properties: \\[f(x, x) = x,\\; f(x, y) = f(y, x), {\\rm \\ and\\ } (x+y)f(x, y) = yf(x, x+y).\\] Calculate $f(14,52)$ .",
"role": "user"
}
] | math | {
"ground_truth": "364",
"style": "rule"
} | 76 | false | The function $f$ , defined on the set of ordered pairs of positive integers, satisfies the following properties: \[f(x, x) = x,\; f(x, y) = f(y, x), {\rm \ and\ } (x+y)f(x, y) = yf(x, x+y).\] Calculate $f(14,52)$ . | train |
null | [
{
"content": "Find the smallest positive integer whose cube ends in $888$ .",
"role": "user"
}
] | math | {
"ground_truth": "192",
"style": "rule"
} | 77 | false | Find the smallest positive integer whose cube ends in $888$ . | train |
null | [
{
"content": "A convex polyhedron has for its faces 12 squares, 8 regular hexagons, and 6 regular octagons. At each vertex of the polyhedron one square, one hexagon, and one octagon meet. How many segments joining vertices of the polyhedron lie in the interior of the polyhedron rather than along an edge or a fa... | math | {
"ground_truth": "840",
"style": "rule"
} | 78 | false | A convex polyhedron has for its faces 12 squares, 8 regular hexagons, and 6 regular octagons. At each vertex of the polyhedron one square, one hexagon, and one octagon meet. How many segments joining vertices of the polyhedron lie in the interior of the polyhedron rather than along an edge or a face? | train |
null | [
{
"content": "Find $a$ if $a$ and $b$ are integers such that $x^2 - x - 1$ is a factor of $ax^{17} + bx^{16} + 1$ .",
"role": "user"
}
] | math | {
"ground_truth": "987",
"style": "rule"
} | 79 | false | Find $a$ if $a$ and $b$ are integers such that $x^2 - x - 1$ is a factor of $ax^{17} + bx^{16} + 1$ . | train |
null | [
{
"content": "Let $C$ be the graph of $xy = 1$ , and denote by $C^*$ the reflection of $C$ in the line $y = 2x$ . Let the equation of $C^*$ be written in the form \\[12x^2 + bxy + cy^2 + d = 0.\\] Find the product $bc$ .",
"role": "user"
}
] | math | {
"ground_truth": "84",
"style": "rule"
} | 80 | false | Let $C$ be the graph of $xy = 1$ , and denote by $C^*$ the reflection of $C$ in the line $y = 2x$ . Let the equation of $C^*$ be written in the form \[12x^2 + bxy + cy^2 + d = 0.\] Find the product $bc$ . | train |
null | [
{
"content": "In an office at various times during the day, the boss gives the secretary a letter to type, each time putting the letter on top of the pile in the secretary's in-box. When there is time, the secretary takes the top letter off the pile and types it. There are nine letters to be typed during the da... | math | {
"ground_truth": "704",
"style": "rule"
} | 81 | false | In an office at various times during the day, the boss gives the secretary a letter to type, each time putting the letter on top of the pile in the secretary's in-box. When there is time, the secretary takes the top letter off the pile and types it. There are nine letters to be typed during the day, and the boss delivers them in the order 1, 2, 3, 4, 5, 6, 7, 8, 9. While leaving for lunch, the secretary tells a colleague that letter 8 has already been typed, but says nothing else about the morning's typing. The colleague wonders which of the nine letters remain to be typed after lunch and in what order they will be typed. Based upon the above information, how many such after-lunch typing orders are possible? (That there are no letters left to be typed is one of the possibilities.) | train |
null | [
{
"content": "Compute $\\sqrt{(31)(30)(29)(28)+1}$ .",
"role": "user"
}
] | math | {
"ground_truth": "869",
"style": "rule"
} | 82 | false | Compute $\sqrt{(31)(30)(29)(28)+1}$ . | train |
null | [
{
"content": "Ten points are marked on a circle. How many distinct convex polygons of three or more sides can be drawn using some (or all) of the ten points as vertices? ",
"role": "user"
}
] | math | {
"ground_truth": "968",
"style": "rule"
} | 83 | false | Ten points are marked on a circle. How many distinct convex polygons of three or more sides can be drawn using some (or all) of the ten points as vertices? | train |
null | [
{
"content": "If $a<b<c<d<e^{}_{}$ are consecutive positive integers such that $b+c+d$ is a perfect square and $a+b+c+d+e^{}_{}$ is a perfect cube, what is the smallest possible value of $c^{}_{}$ ? ",
"role": "user"
}
] | math | {
"ground_truth": "675",
"style": "rule"
} | 84 | false | If $a<b<c<d<e^{}_{}$ are consecutive positive integers such that $b+c+d$ is a perfect square and $a+b+c+d+e^{}_{}$ is a perfect cube, what is the smallest possible value of $c^{}_{}$ ? | train |
null | [
{
"content": "When a certain biased coin is flipped five times, the probability of getting heads exactly once is not equal to $0$ and is the same as that of getting heads exactly twice. Let $\\frac ij^{}_{}$ , in lowest terms, be the probability that the coin comes up heads in exactly $3$ out of $5$ flips. Find... | math | {
"ground_truth": "283",
"style": "rule"
} | 85 | false | When a certain biased coin is flipped five times, the probability of getting heads exactly once is not equal to $0$ and is the same as that of getting heads exactly twice. Let $\frac ij^{}_{}$ , in lowest terms, be the probability that the coin comes up heads in exactly $3$ out of $5$ flips. Find $i+j^{}_{}$ . | train |
null | [
{
"content": "If the integer $k^{}_{}$ is added to each of the numbers $36^{}_{}$ , $300^{}_{}$ , and $596^{}_{}$ , one obtains the squares of three consecutive terms of an arithmetic series. Find $k^{}_{}$ .",
"role": "user"
}
] | math | {
"ground_truth": "925",
"style": "rule"
} | 86 | false | If the integer $k^{}_{}$ is added to each of the numbers $36^{}_{}$ , $300^{}_{}$ , and $596^{}_{}$ , one obtains the squares of three consecutive terms of an arithmetic series. Find $k^{}_{}$ . | train |
null | [
{
"content": "Assume that $x_1,x_2,\\ldots,x_7$ are real numbers such that \\begin{align*} x_1 + 4x_2 + 9x_3 + 16x_4 + 25x_5 + 36x_6 + 49x_7 &= 1, \\\\ 4x_1 + 9x_2 + 16x_3 + 25x_4 + 36x_5 + 49x_6 + 64x_7 &= 12, \\\\ 9x_1 + 16x_2 + 25x_3 + 36x_4 + 49x_5 + 64x_6 + 81x_7 &= 123. \\end{align*} Find the value of $16... | math | {
"ground_truth": "334",
"style": "rule"
} | 87 | false | Assume that $x_1,x_2,\ldots,x_7$ are real numbers such that \begin{align*} x_1 + 4x_2 + 9x_3 + 16x_4 + 25x_5 + 36x_6 + 49x_7 &= 1, \\ 4x_1 + 9x_2 + 16x_3 + 25x_4 + 36x_5 + 49x_6 + 64x_7 &= 12, \\ 9x_1 + 16x_2 + 25x_3 + 36x_4 + 49x_5 + 64x_6 + 81x_7 &= 123. \end{align*} Find the value of $16x_1+25x_2+36x_3+49x_4+64x_5+81x_6+100x_7$ . | train |
null | [
{
"content": "One of Euler's conjectures was disproved in the 1960s by three American mathematicians when they showed there was a positive integer such that \\[133^5+110^5+84^5+27^5=n^{5}.\\] Find the value of $n$ .",
"role": "user"
}
] | math | {
"ground_truth": "144",
"style": "rule"
} | 88 | false | One of Euler's conjectures was disproved in the 1960s by three American mathematicians when they showed there was a positive integer such that \[133^5+110^5+84^5+27^5=n^{5}.\] Find the value of $n$ . | train |
null | [
{
"content": "A sample of 121 integers is given, each between 1 and 1000 inclusive, with repetitions allowed. The sample has a unique mode (most frequent value). Let $D^{}_{}$ be the difference between the mode and the arithmetic mean of the sample. What is the largest possible value of $\\lfloor D^{}_{}\\rfloo... | math | {
"ground_truth": "947",
"style": "rule"
} | 89 | false | A sample of 121 integers is given, each between 1 and 1000 inclusive, with repetitions allowed. The sample has a unique mode (most frequent value). Let $D^{}_{}$ be the difference between the mode and the arithmetic mean of the sample. What is the largest possible value of $\lfloor D^{}_{}\rfloor$ ? (For real $x^{}_{}$ , $\lfloor x^{}_{}\rfloor$ is the greatest integer less than or equal to $x^{}_{}$ .) | train |
null | [
{
"content": "Let $S^{}_{}$ be a subset of $\\{1,2,3^{}_{},\\ldots,1989\\}$ such that no two members of $S^{}_{}$ differ by $4^{}_{}$ or $7^{}_{}$ . What is the largest number of elements $S^{}_{}$ can have?",
"role": "user"
}
] | math | {
"ground_truth": "905",
"style": "rule"
} | 90 | false | Let $S^{}_{}$ be a subset of $\{1,2,3^{}_{},\ldots,1989\}$ such that no two members of $S^{}_{}$ differ by $4^{}_{}$ or $7^{}_{}$ . What is the largest number of elements $S^{}_{}$ can have? | train |
null | [
{
"content": "The increasing sequence $2,3,5,6,7,10,11,\\ldots$ consists of all positive integers that are neither the square nor the cube of a positive integer. Find the 500th term of this sequence.",
"role": "user"
}
] | math | {
"ground_truth": "528",
"style": "rule"
} | 91 | false | The increasing sequence $2,3,5,6,7,10,11,\ldots$ consists of all positive integers that are neither the square nor the cube of a positive integer. Find the 500th term of this sequence. | train |
null | [
{
"content": "Find the value of $(52+6\\sqrt{43})^{3/2}-(52-6\\sqrt{43})^{3/2}$ .",
"role": "user"
}
] | math | {
"ground_truth": "828",
"style": "rule"
} | 92 | false | Find the value of $(52+6\sqrt{43})^{3/2}-(52-6\sqrt{43})^{3/2}$ . | train |
null | [
{
"content": "Let $P_1^{}$ be a regular $r~\\mbox{gon}$ and $P_2^{}$ be a regular $s~\\mbox{gon}$ $(r\\geq s\\geq 3)$ such that each interior angle of $P_1^{}$ is $\\frac{59}{58}$ as large as each interior angle of $P_2^{}$ . What's the largest possible value of $s_{}^{}$ ?",
"role": "user"
}
] | math | {
"ground_truth": "117",
"style": "rule"
} | 93 | false | Let $P_1^{}$ be a regular $r~\mbox{gon}$ and $P_2^{}$ be a regular $s~\mbox{gon}$ $(r\geq s\geq 3)$ such that each interior angle of $P_1^{}$ is $\frac{59}{58}$ as large as each interior angle of $P_2^{}$ . What's the largest possible value of $s_{}^{}$ ? | train |
null | [
{
"content": "Let $n^{}_{}$ be the smallest positive integer that is a multiple of $75_{}^{}$ and has exactly $75_{}^{}$ positive integral divisors, including $1_{}^{}$ and itself. Find $\\frac{n}{75}$ .",
"role": "user"
}
] | math | {
"ground_truth": "432",
"style": "rule"
} | 94 | false | Let $n^{}_{}$ be the smallest positive integer that is a multiple of $75_{}^{}$ and has exactly $75_{}^{}$ positive integral divisors, including $1_{}^{}$ and itself. Find $\frac{n}{75}$ . | train |
null | [
{
"content": "A biologist wants to calculate the number of fish in a lake. On May 1 she catches a random sample of 60 fish, tags them, and releases them. On September 1 she catches a random sample of 70 fish and finds that 3 of them are tagged. To calculate the number of fish in the lake on May 1, she assumes t... | math | {
"ground_truth": "840",
"style": "rule"
} | 95 | false | A biologist wants to calculate the number of fish in a lake. On May 1 she catches a random sample of 60 fish, tags them, and releases them. On September 1 she catches a random sample of 70 fish and finds that 3 of them are tagged. To calculate the number of fish in the lake on May 1, she assumes that 25% of these fish are no longer in the lake on September 1 (because of death and emigrations), that 40% of the fish were not in the lake May 1 (because of births and immigrations), and that the number of untagged fish and tagged fish in the September 1 sample are representative of the total population. What does the biologist calculate for the number of fish in the lake on May 1? | train |
null | [
{
"content": "A triangle has vertices $P_{}^{}=(-8,5)$ , $Q_{}^{}=(-15,-19)$ , and $R_{}^{}=(1,-7)$ . The equation of the bisector of $\\angle P$ can be written in the form $ax+2y+c=0_{}^{}$ . Find $a+c_{}^{}$ .",
"role": "user"
}
] | math | {
"ground_truth": "89",
"style": "rule"
} | 96 | false | A triangle has vertices $P_{}^{}=(-8,5)$ , $Q_{}^{}=(-15,-19)$ , and $R_{}^{}=(1,-7)$ . The equation of the bisector of $\angle P$ can be written in the form $ax+2y+c=0_{}^{}$ . Find $a+c_{}^{}$ . | train |
null | [
{
"content": "A fair coin is to be tossed $10_{}^{}$ times. Let $i/j^{}_{}$ , in lowest terms, be the probability that heads never occur on consecutive tosses. Find $i+j_{}^{}$ .",
"role": "user"
}
] | math | {
"ground_truth": "73",
"style": "rule"
} | 97 | false | A fair coin is to be tossed $10_{}^{}$ times. Let $i/j^{}_{}$ , in lowest terms, be the probability that heads never occur on consecutive tosses. Find $i+j_{}^{}$ . | train |
null | [
{
"content": "The sets $A = \\{z : z^{18} = 1\\}$ and $B = \\{w : w^{48} = 1\\}$ are both sets of complex roots of unity. The set $C = \\{zw : z \\in A ~ \\mbox{and} ~ w \\in B\\}$ is also a set of complex roots of unity. How many distinct elements are in $C^{}_{}$ ?",
"role": "user"
}
] | math | {
"ground_truth": "144",
"style": "rule"
} | 98 | false | The sets $A = \{z : z^{18} = 1\}$ and $B = \{w : w^{48} = 1\}$ are both sets of complex roots of unity. The set $C = \{zw : z \in A ~ \mbox{and} ~ w \in B\}$ is also a set of complex roots of unity. How many distinct elements are in $C^{}_{}$ ? | train |
null | [
{
"content": "Someone observed that $6! = 8 \\cdot 9 \\cdot 10$ . Find the largest positive integer $n^{}_{}$ for which $n^{}_{}!$ can be expressed as the product of $n - 3_{}^{}$ consecutive positive integers.",
"role": "user"
}
] | math | {
"ground_truth": "23",
"style": "rule"
} | 99 | false | Someone observed that $6! = 8 \cdot 9 \cdot 10$ . Find the largest positive integer $n^{}_{}$ for which $n^{}_{}!$ can be expressed as the product of $n - 3_{}^{}$ consecutive positive integers. | train |
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