Problem Rankings

Rank Source Description Elo Rating
21 AMC 10 2003 A Q24 Sally has five red cards numbered \( 1\) through \(... 1574.95
22 AMC 8 1992 A Q25 One half of the water is poured out of a full cont... 1573.45
23 AMC 10 2002 B Q7 Let \( n\) be a positive integer such that \( \tfr... 1573.08
24 SMC 2008 Q10 Which one of the following rational numbers cannot... 1572.36
25 AMC 10 2002 A Q17 Sarah pours four ounces of coffee into an eight-ou... 1571.80
26 AMC 10 2002 B Q16 For how many integers \( n\) is \( \frac{n}{20-n}\... 1571.00
27 AMC 10 2005 A Q22 Let \( S\) be the set of the \( 2005\) smallest mu... 1566.93
28 AMC 10 2003 B Q14 Given that \( 3^8\cdot5^2 = a^b\), where both \( a... 1566.74
29 AMC 8 1989 Q The infinite product \(\sqrt[3]{10}\cdot\sqrt[3... 1566.32
30 AMC 10 2002 B Q14 The number \( 25^{64}\cdot64^{25}\) is the square ... 1566.21
31 AMC 12 2023 A Q25 There is a unique sequence of integers \(a_1, a_2,... 1561.13
32 AIME 2002 I Q6 The solutions to the system of equations \begin... 1560.46
33 AMC 12 2021 Spring B Q9 What is the value of \[\frac{2^{2014}+2^{2012}}{2^... 1560.44
34 AMC 8 1989 Q A tripod has three legs each of length \(5\) feet.... 1560.43
35 AMC 10 2008 A Q7 The fraction \[\frac {(3^{2008})^2 - (3^{2006})^2}... 1560.40
36 AMC 8 1994 A Q20 Let \(W,X,Y\) and \(Z\) be four different digits s... 1559.75
37 AMC 8 1996 A Q6 What is the smallest result that can be obtained f... 1559.73
38 AMC 12 2023 A Q12 What is the value of \[ 2^3 - 1^2 + 4^3 - 3^3 + 6... 1559.56
39 AMC 8 2006 A Q23 A box contains gold coins. If the coins are equall... 1559.15
40 SMC 2015 Q7 Which of the following has the largest value? $... 1559.10