Problem Rankings

Rank Source Description Elo Rating
2721 AIME 1992 I Q2 A positive integer is called ascending if, in its ... 1500.00
2722 AIME 1992 I Q4 In Pascal's Triangle, each entry is the sum of the... 1500.00
2723 AIME 1992 I Q5 Let \(S\) be the set of all rational numbers \(r\)... 1500.00
2724 AIME 1992 I Q6 For how many pairs of consecutive integers in \(\{... 1500.00
2725 AIME 1992 I Q7 Faces \(ABC\) and \(BCD\) of tetrahedron \(ABCD\) ... 1500.00
2726 AIME 1992 I Q8 For any sequence of real numbers \(A=(a_1,a_2,a_3,... 1500.00
2727 AIME 1992 I Q9 Trapezoid \(ABCD\) has sides \(AB=92\), \(BC=50\),... 1500.00
2728 AIME 1992 I Q12 In a game of Chomp, two players alternately take b... 1500.00
2729 AIME 1992 I Q13 Triangle \(ABC\) has \(AB=9\) and \(BC: AC=40: 41\... 1500.00
2730 AIME 1992 I Q14 In triangle \(ABC\), \(A'\), \(B'\), and \(C'\) ar... 1500.00
2731 AIME 1992 I Q15 Define a positive integer \( n\) to be a factorial... 1500.00
2732 AIME 1998 I Q2 Find the number of ordered pairs \((x,y)\) of posi... 1500.00
2733 AIME 1998 I Q3 The graph of \(y^2+2xy+40|x|=400\) partitions the ... 1500.00
2734 AIME 1998 I Q5 Given that \(A_k=\frac{k(k-1)}2\cos\frac{k(k-1)\pi... 1500.00
2735 AIME 1998 I Q6 Let \(ABCD\) be a parallelogram. Extend \(\overli... 1500.00
2736 AIME 1998 I Q7 Let \(n\) be the number of ordered quadruples \((x... 1500.00
2737 AIME 1998 I Q8 Except for the first two terms, each term of the s... 1500.00
2738 AIME 1998 I Q9 Two mathematicians take a morning coffee break eac... 1500.00
2739 AIME 1998 I Q10 Eight spheres of radius 100 are placed on a flat s... 1500.00
2740 AIME 1998 I Q11 Three of the edges of a cube are \(\overline{AB}, ... 1500.00