Problem Rankings

Rank Source Description Elo Rating
201 AMC 8 2007 A Q10 For any positive integer \(n\), define \(\boxed{n}... 1526.17
202 IMC 2021 Q22 What is the result when we simplify the expression... 1524.70
203 AMC 8 1991 A Q12 If \(\frac{2+3+4}{3}=\frac{1990+1991+1992}{N}\), t... 1524.54
204 AMC 12 2022 B Q9 The sequence \(a_0,a_1,a_2,\cdots\) is a strictly ... 1523.31
205 AMC 10 2005 B Q16 The quadratic equation \(x^2+mx+n=0\) has roots th... 1521.92
206 JMO 2017 A Q3 Howard is out running. He is now \(\frac{3}{5}\) o... 1519.76
207 AMC 10 2006 B Q25 Mr. Jones has eight children of different ages. O... 1519.40
208 AMC 10 2013 A Q12 In \(\triangle ABC\), \(AB=AC=28\) and \(BC=20\). ... 1519.29
209 AMC 12 1985 A Q26 Find the least positive integer \( n\) for which \... 1518.69
210 AMC 8 2019 A Q3 Which of the following is the correct order of the... 1518.60
211 AMC 8 1991 A Q14 Several students are competing in a series of thre... 1518.55
212 AMC 8 2001 A Q17 For the game show Who Wants To Be A Millionaire?, ... 1518.10
213 AMC 10 2000 A Q19 Through a point on the hypotenuse of a right trian... 1517.95
214 AMC 8 2004 A Q24 In the figure, \(ABCD\) is a rectangle and \(EFGH\... 1517.83
215 AMC 12 2009 B Q19 For each positive integer \( n\), let \( f(n)=n^4-... 1517.47
216 AMC 12 2023 A Q17 Flora the frog starts at \(0\) on the number line ... 1517.44
217 AMC 8 1985 A Q18 Nine copies of a certain pamphlet cost less than $... 1517.44
218 AMC 8 1998 A Q14 An Annville Junior High School, \(30\%\) of the st... 1517.44
219 AMC 10 2004 A Q21 Two distinct lines pass through the center of thre... 1517.44
220 AMC 12 2006 B Q23 Isosceles \( \triangle ABC\) has a right angle at ... 1517.44