Problem Rankings

Rank Source Description Elo Rating
3101 AMC 12 1985 A Q2 In an arcade game, the "monster" is the shaded sec... 1485.44
3102 AMC 8 2011 A Q13 Two congruent squares, \(ABCD\) and \(PQRS\), have... 1485.43
3103 AMC 10 2007 A Q2 Define \( a@b = ab - b^{2}\) and \( a\#b = a + b -... 1485.41
3104 AMC 10 2009 B Q6 Kiana has two older twin brothers. The product of ... 1485.40
3105 AMC 8 1989 Q Suppose \(a\) is a real number such that the equat... 1485.40
3106 AMC 8 2009 A Q9 Construct a square on one side of an equilateral t... 1485.28
3107 AMC 8 2005 A Q8 Suppose m and n are positive odd integers. Which o... 1485.28
3108 AMC 10 2012 B Q7 For a science project, Sammy observed a chipmunk a... 1485.19
3109 AMC 8 1989 A Q21 Jack had a bag of \(128\) apples. He sold \(25\% ... 1485.07
3110 AMC 12 1998 A Q7 If \( N > 1\), then \({ \sqrt [3] {N \sqrt [3] {N ... 1485.06
3111 AMC 8 2011 A Q12 Angie, Bridget, Carlos, and Diego are seated at ra... 1485.04
3112 AMC 8 2010 A Q17 The diagram shows an octagon consisting of \(10\) ... 1484.91
3113 AMC 10 2005 A Q20 An equiangular octagon has four sides of length \(... 1484.88
3114 AMC 10 2002 A Q15 The digits \( 1\), \( 2\), \( 3\), \( 4\), \( 5\),... 1484.82
3115 AMC 10 2000 A Q1 In the year \( 2001\), the United States will host... 1484.80
3116 AMC 12 1981 A Q10 The lines \(L\) and \(K\) are symmetric to each ot... 1484.79
3117 AMC 12 2004 B Q13 What is the value of \[ (3x - 2)(4x + 1) - (3x - ... 1484.77
3118 AMC 8 1992 A Q16 [asy] draw(ellipse((0,-5),10,3)); fill((-10,-5)--(... 1484.77
3119 AMC 10 2007 B Q18 A circle of radius \( 1\) is surrounded by \( 4\) ... 1484.77
3120 AMC 12 2019 A Q14 For a certain complex number \(c\), the polynomial... 1484.77