Problem Rankings

Rank Source Description Elo Rating
2561 AIME 2008 I Q3 Ed and Sue bike at equal and constant rates. Simi... 1500.00
2562 AIME 2008 I Q4 There exist unique positive integers \( x\) and \(... 1500.00
2563 AIME 2008 I Q6 A triangular array of numbers has a first row cons... 1500.00
2564 AIME 2008 I Q7 Let \( S_i\) be the set of all integers \( n\) suc... 1500.00
2565 AIME 2008 I Q8 Find the positive integer \( n\) such that \[\arct... 1500.00
2566 AIME 2008 I Q9 Ten identical crates each of dimensions \( 3\) ft ... 1500.00
2567 AIME 2008 I Q10 Let \( ABCD\) be an isosceles trapezoid with \( \o... 1500.00
2568 AIME 2008 I Q11 Consider sequences that consist entirely of \( A\)... 1500.00
2569 AIME 2008 I Q12 On a long straight stretch of one-way single-lane ... 1500.00
2570 AIME 2008 I Q13 Let \[ p(x,y) = a_0 + a_1x + a_2y + a_3x^2 + a_4x... 1500.00
2571 AIME 2008 I Q14 Let \( \overline{AB}\) be a diameter of circle \( ... 1500.00
2572 AIME 2008 II Q1 Let \( N=100^2+99^2-98^2-97^2+96^2+\cdots+4^2+3^2-... 1500.00
2573 AIME 2008 II Q3 A block of cheese in the shape of a rectangular so... 1500.00
2574 AIME 2008 II Q4 There exist \( r\) unique nonnegative integers \( ... 1500.00
2575 AIME 2008 II Q5 In trapezoid \( ABCD\) with \( \overline{BC}\paral... 1500.00
2576 AIME 2008 II Q6 The sequence \( \{a_n\}\) is defined by \[ a_0 = ... 1500.00
2577 AIME 2008 II Q7 Let \( r\), \( s\), and \( t\) be the three roots ... 1500.00
2578 AIME 2008 II Q8 Let \( a=\pi/2008\). Find the smallest positive in... 1500.00
2579 AIME 2008 II Q9 A particle is located on the coordinate plane at \... 1500.00
2580 AIME 2008 II Q10 The diagram below shows a \( 4\times4\) rectangula... 1500.00