Problem Rankings

Rank Source Description Elo Rating
881 AMC 12 2023 B Q15 Suppose \(a\), \(b\), and \(c\) are positive integ... 1500.00
882 AMC 12 2023 B Q16 In Coinland, there are three types of coins, each ... 1500.00
883 AMC 12 2023 B Q17 Triangle \(ABC\) has side lengths in arithmetic pr... 1500.00
884 AMC 12 2023 B Q19 Each of \(2023\) balls is placed in on of \(3\) bi... 1500.00
885 AMC 8 1989 Q Let \(\mathcal{R}\) be the region in the complex p... 1500.00
886 AMC 8 1989 Q Isosceles trapezoid \(ABCD\) has parallel sides \(... 1500.00
887 AMC 8 1989 Q For how many values of the constant \(k\) will the... 1500.00
888 AMC 8 1989 Q The point \((-1, -2)\) is rotated \(270^{\circ}\) ... 1500.00
889 AMC 8 1989 Q Consider the following \(100\) sets of \(10\) elem... 1500.00
890 AMC 8 1989 Q What is the graph of \(y^4+1=x^4+2y^2\) in the coo... 1500.00
891 AMC 8 1989 Q Kayla rolls four fair \(6\)-sided dice. What is th... 1500.00
892 AMC 8 1989 A Q1 \((1+11+21+31+41)+(9+19+29+39+49)=\) $$\tex... 1500.00
893 AMC 8 1989 A Q5 \(-15+9\times (6\div 3) =\) $$\text{(A)}\ -... 1500.00
894 AMC 8 1989 A Q9 There are \(2\) boys for every \(3\) girls in Ms. ... 1500.00
895 AMC 8 1989 A Q18 Many calculators have a reciprocal key \(\boxed{\f... 1500.00
896 AMC 8 1990 A Q1 What is the smallest sum of two \(3\)-digit number... 1500.00
897 AMC 8 1990 A Q12 There are twenty-four 4-digit numbers that use eac... 1500.00
898 AMC 8 1990 A Q13 One proposal for new postage rates for a letter wa... 1500.00
899 AMC 8 1990 A Q14 A bag contains only blue balls and green balls. Th... 1500.00
900 AMC 8 1990 A Q15 The area of this figure is \( 100\text{ cm}^{2} \)... 1500.00