Problem Rankings

Rank Source Description Elo Rating
1621 AMC 12 2016 B Q8 A thin piece of wood of uniform density in the sha... 1500.00
1622 AMC 12 2016 B Q9 Carl decided to fence in his rectangular garden. H... 1500.00
1623 AMC 12 2016 B Q10 A quadrilateral has vertices \(P(a,b)\), \(Q(b,a)\... 1500.00
1624 AMC 12 2016 B Q12 All the numbers \(1, 2, 3, 4, 5, 6, 7, 8, 9\) are ... 1500.00
1625 AMC 12 2016 B Q13 Alice and Bob live \(10\) miles apart. One day Ali... 1500.00
1626 AMC 12 2016 B Q14 The sum of an infinite geometric series is a posit... 1500.00
1627 AMC 12 2016 B Q15 All the numbers \(2, 3, 4, 5, 6, 7\) are assigned ... 1500.00
1628 AMC 12 2016 B Q17 In \(\triangle ABC\) shown in the figure, \(AB=7\)... 1500.00
1629 AMC 12 2016 B Q18 What is the area of the region enclosed by the gra... 1500.00
1630 AMC 12 2016 B Q19 Tom, Dick, and Harry are playing a game. Starting ... 1500.00
1631 AMC 12 2016 B Q20 A set of teams held a round-robin tournament in wh... 1500.00
1632 AMC 12 2016 B Q21 Let \(ABCD\) be a unit square. Let \(Q_1\) be the ... 1500.00
1633 AMC 12 2016 B Q24 There are exactly \(77,000\) ordered quadruples \(... 1500.00
1634 AMC 12 2016 B Q25 The sequence \((a_n)\) is defined recursively by \... 1500.00
1635 AMC 12 2010 A Q2 A ferry boat shuttles tourists to an island every ... 1500.00
1636 AMC 12 2010 A Q3 Rectangle \( ABCD\), pictured below, shares \(50\%... 1500.00
1637 AMC 12 2010 A Q5 Halfway through a \( 100\)-shot archery tournament... 1500.00
1638 AMC 12 2010 A Q10 The first four terms of an arithmetic sequence are... 1500.00
1639 AMC 12 2010 A Q15 A coin is altered so that the probability that it ... 1500.00
1640 AMC 12 2010 A Q18 A 16-step path is to go from \( ( - 4, -4)\) to \(... 1500.00