Problem Rankings

Rank Source Description Elo Rating
2881 AIME 2009 I Q13 The terms of the sequence \( (a_i)\) defined by \(... 1500.00
2882 AIME 2009 I Q14 For \( t = 1, 2, 3, 4\), define \( \displaystyle S... 1500.00
2883 AIME 2009 II Q1 Before starting to paint, Bill had \( 130\) ounces... 1500.00
2884 AIME 2009 II Q2 Suppose that \( a\), \( b\), and \( c\) are positi... 1500.00
2885 AIME 2009 II Q3 In rectangle \( ABCD\), \( AB=100\). Let \( E\) be... 1500.00
2886 AIME 2009 II Q4 A group of children held a grape-eating contest. W... 1500.00
2887 AIME 2009 II Q6 Let \( m\) be the number of five-element subsets t... 1500.00
2888 AIME 2009 II Q9 Let \( m\) be the number of solutions in positive ... 1500.00
2889 AIME 2009 II Q10 Four lighthouses are located at points \( A\), \( ... 1500.00
2890 AIME 2009 II Q11 For certain pairs \( (m,n)\) of positive integers ... 1500.00
2891 AIME 2009 II Q14 The sequence \( (a_n)\) satisfies \( a_0 = 0\) and... 1500.00
2892 AIME 1984 I Q1 Find the value of \(a_2 + a_4 + a_6 + \dots + a_{9... 1500.00
2893 AIME 1984 I Q2 The integer \(n\) is the smallest positive multipl... 1500.00
2894 AIME 1984 I Q3 A point \(P\) is chosen in the interior of \(\tria... 1500.00
2895 AIME 1984 I Q5 Determine the value of \(ab\) if \(\log_8 a + \log... 1500.00
2896 AIME 1984 I Q6 Three circles, each of radius 3, are drawn with ce... 1500.00
2897 AIME 1984 I Q7 The function \(f\) is defined on the set of intege... 1500.00
2898 AIME 1984 I Q9 In tetrahedron \(ABCD\), edge \(AB\) has length 3 ... 1500.00
2899 AIME 1984 I Q11 A gardener plants three maple trees, four oak tree... 1500.00
2900 AIME 1984 I Q14 What is the largest even integer that cannot be wr... 1500.00