Problem Rankings

Rank Source Description Elo Rating
2441 AIME 2021 I Q2 In the diagram below, \(ABCD\) is a rectangle with... 1500.00
2442 AIME 2021 I Q3 Find the number of positive integers less than \(1... 1500.00
2443 AIME 2021 I Q4 Find the number of ways \(66\) identical coins can... 1500.00
2444 AIME 2021 I Q5 Call a three-term strictly increasing arithmetic s... 1500.00
2445 AIME 2021 I Q6 Segments \(\overline{AB}, \overline{AC},\) and \(\... 1500.00
2446 AIME 2021 I Q7 Find the number of pairs \((m,n)\) of positive int... 1500.00
2447 AIME 2021 I Q8 Find the number of integers \(c\) such that the eq... 1500.00
2448 AIME 2021 I Q9 Let \(ABCD\) be an isosceles trapezoid with \(AD=B... 1500.00
2449 AIME 2021 I Q10 Consider the sequence \((a_k)_{k\ge 1}\) of positi... 1500.00
2450 AIME 2021 I Q11 Let \(ABCD\) be a cyclic quadrilateral with \(AB=4... 1500.00
2451 AIME 2021 I Q12 Let \(A_1A_2A_3...A_{12}\) be a dodecagon (12-gon)... 1500.00
2452 AIME 2021 I Q13 Circles \(\omega_1\) and \(\omega_2\) with radii \... 1500.00
2453 AIME 2021 I Q14 For any positive integer \(a,\) \(\sigma(a)\) deno... 1500.00
2454 AIME 2021 II Q1 Find the arithmetic mean of all the three-digit pa... 1500.00
2455 AIME 2021 II Q2 Equilateral triangle \(ABC\) has side length \(840... 1500.00
2456 AIME 2021 II Q4 There are real numbers \(a, b, c, \) and \(d\) suc... 1500.00
2457 AIME 2021 II Q5 For positive real numbers \(s\), let \(\tau(s)\) d... 1500.00
2458 AIME 2021 II Q6 For any finite set \(S\), let \(|S|\) denote the n... 1500.00
2459 AIME 2021 II Q8 An ant makes a sequence of moves on a cube where a... 1500.00
2460 AIME 2021 II Q9 Find the number of ordered pairs \((m, n)\) such t... 1500.00