Problem Rankings

Rank Source Description Elo Rating
181 AMC 8 2010 A Q21 Hui is an avid reader. She bought a copy of the be... 1529.38
182 AMC 8 1999 A Q11 Each of the five numbers 1, 4, 7, 10, and 13 is pl... 1529.35
183 AMC 10 2009 A Q16 Let \( a\), \( b\), \( c\), and \( d\) be real num... 1529.35
184 AMC 10 2009 A Q20 Andrea and Lauren are \( 20\) kilometers apart. Th... 1529.32
185 AMC 10 2003 A Q14 Let \( n\) be the largest integer that is the prod... 1529.30
186 AMC 10 2006 B Q24 Circles with centers \( O\) and \( P\) have radii ... 1529.24
187 AMC 8 1995 A Q15 What is the \(100^\text{th}\) digit to the right o... 1529.23
188 AMC 8 1999 A Q18 Problems 17, 18, and 19 refer to the following: ... 1529.14
189 AMC 10 2005 B Q13 How many numbers between \( 1\) and \( 2005\) are ... 1528.58
190 AMC 8 2001 A Q15 Homer began peeling a pile of 44 potatoes at the r... 1528.45
191 AMC 8 2009 A Q11 The Amaco Middle School bookstore sells pencils co... 1528.40
192 AMC 12 2023 A Q21 If \(A\) and \(B\) are vertices of a polyhedron, d... 1528.15
193 AMC 10 2007 A Q21 A sphere is inscribed in a cube that has a surface... 1527.99
194 IMC 2007 Q4 Between them, Ginger and Victoria eat two thirds o... 1527.70
195 AMC 12 1986 A Q25 If \(\lfloor x\rfloor\) is the greatest integer le... 1527.06
196 AMC 8 2012 A Q20 What is the correct ordering of the three numbers ... 1526.64
197 AMC 8 2007 A Q10 For any positive integer \(n\), define \(\boxed{n}... 1526.17
198 IMC 2021 Q22 What is the result when we simplify the expression... 1524.70
199 AMC 8 1991 A Q12 If \(\frac{2+3+4}{3}=\frac{1990+1991+1992}{N}\), t... 1524.54
200 AMC 12 2022 B Q9 The sequence \(a_0,a_1,a_2,\cdots\) is a strictly ... 1523.31