Problem Rankings

Rank Source Description Elo Rating
2461 AIME 2021 II Q10 Two spheres with radii \(36\) and one sphere with ... 1500.00
2462 AIME 2021 II Q13 Find the least positive integer \(n\) for which \(... 1500.00
2463 AIME 2021 II Q14 Let \(\triangle ABC\) be an acute triangle with ci... 1500.00
2464 AIME 2021 II Q15 Let \(f(n)\) and \(g(n)\) be functions satisfying ... 1500.00
2465 AIME 1991 I Q1 Find \(x^2+y^2\) if \(x\) and \(y\) are positive i... 1500.00
2466 AIME 1991 I Q4 How many real numbers \(x\) satisfy the equation \... 1500.00
2467 AIME 1991 I Q5 Given a rational number, write it as a fraction in... 1500.00
2468 AIME 1991 I Q6 Suppose \(r\) is a real number for which \[ \left\... 1500.00
2469 AIME 1991 I Q8 For how many real numbers \(a\) does the quadratic... 1500.00
2470 AIME 1991 I Q9 Suppose that \(\sec x+\tan x=\frac{22}7\) and that... 1500.00
2471 AIME 1991 I Q10 Two three-letter strings, \(aaa\) and \(bbb\), are... 1500.00
2472 AIME 1991 I Q11 Twelve congruent disks are placed on a circle \(C\... 1500.00
2473 AIME 1991 I Q12 Rhombus \(PQRS\) is inscribed in rectangle \(ABCD\... 1500.00
2474 AIME 1991 I Q13 A drawer contains a mixture of red socks and blue ... 1500.00
2475 AIME 1991 I Q14 A hexagon is inscribed in a circle. Five of the si... 1500.00
2476 AIME 1991 I Q15 For positive integer \(n\), define \(S_n\) to be t... 1500.00
2477 AIME 2010 I Q1 Maya lists all the positive divisors of \( 2010^2\... 1500.00
2478 AIME 2010 I Q3 Suppose that \( y = \frac34x\) and \( x^y = y^x\).... 1500.00
2479 AIME 2010 I Q4 Jackie and Phil have two fair coins and a third co... 1500.00
2480 AIME 2010 I Q6 Let \( P(x)\) be a quadratic polynomial with real ... 1500.00