Problem Rankings

Rank Source Description Elo Rating
41 AMC 8 2008 A Q21 Jerry cuts a wedge from a \(6\)-cm cylinder of bol... 1558.56
42 AMC 8 2007 A Q23 What is the area of the shaded pinwheel shown in t... 1557.90
43 AMC 8 1999 A Q3 Which triplet of numbers has a sum NOT equal to 1?... 1557.68
44 IMC 2006 Q22 An 8 by 8 chessboard is placed so that a black squ... 1557.43
45 AMC 8 1996 A Q20 Suppose there is a special key on a calculator tha... 1556.99
46 AMC 8 1993 A Q12 If each of the three operation signs, \(+\), \(-\)... 1556.64
47 AMC 12 1993 A Q10 Let \(r\) be the number that results when both the... 1555.65
48 AMC 8 1989 Q Let the taxicab distance between points \((x_1,y_1... 1551.93
49 AMC 10 2007 A Q23 How many ordered pairs \( (m,n)\) of positive inte... 1551.80
50 AMC 8 1991 A Q24 A cube of edge \(3\) cm is cut into \(N\) smaller ... 1549.71
51 AMC 10 2009 B Q19 A particular \( 12\)-hour digital clock displays t... 1548.36
52 AMC 8 1995 A Q24 In parallelogram \(ABCD\), \(\overline{DE}\) is th... 1547.87
53 SMC 2008 Q21 The fraction \(\frac{2008}{1998}\) can be written ... 1547.75
54 AMC 10 2004 B Q14 A bag initially contains red marbles and blue marb... 1547.30
55 AMC 10 2002 B Q23 Let \( \{a_k\}\) be a sequence of integers such th... 1547.14
56 AMC 12 1985 A Q27 Consider a sequence \( x_1, x_2, x_3, ...\), defin... 1547.10
57 SMC 2005 Q9 What is the value of the expression: \( \left(1 + ... 1546.79
58 AMC 12 1985 A Q19 Consider the graphs \( y = Ax^2\) and and \( y^2 +... 1546.56
59 AMC 10 2010 B Q18 Positive integers \( a,b,\) and \( c\) are randoml... 1546.31
60 AMC 8 2010 A Q20 In a room, \(2/5\) of the people are wearing glove... 1545.96