Problem Rankings

Rank Source Description Elo Rating
521 AMC 12 1981 A Q24 If \( \theta\) is a constant such that \( 0 < \the... 1516.00
522 AMC 12 1994 A Q1 \(4^4 \cdot 9^4 \cdot 4^9 \cdot 9^9=\) $$ \text... 1516.00
523 AMC 12 1994 A Q17 An \(8\) by \(2\sqrt{2}\) rectangle has the same c... 1516.00
524 AMC 12 1994 A Q22 Nine chairs in a row are to be occupied by six stu... 1516.00
525 AMC 12 1994 A Q30 When \(n\) standard 6-sided dice are rolled, the p... 1516.00
526 AMC 12 1985 A Q6 One student in a class of boys and girls is chosen... 1516.00
527 AMC 12 1985 A Q28 In \( \triangle ABC\), we have \( \angle C = 3 \an... 1516.00
528 AMC 12 1984 A Q21 The number of triples \((a,b,c)\) of positive inte... 1516.00
529 AMC 12 1996 A Q27 Consider two solid spherical balls, one centered a... 1516.00
530 AMC 12 1991 A Q23 If \(ABCD\) is a \(2\ X\ 2\) square, \(E\) is the ... 1516.00
531 AMC 12 1991 A Q26 An \(n\)-digit positive integer is cute if its \(n... 1516.00
532 AMC 12 1991 A Q27 If \(x + \sqrt{x^{2} - 1} + \frac{1}{x - \sqrt{x^{... 1516.00
533 AMC 12 1983 A Q27 A large sphere is on a horizontal field on a sunny... 1516.00
534 AMC 12 1983 A Q30 Distinct points \(A\) and \(B\) are on a semicircl... 1516.00
535 AMC 12 1992 A Q12 Let \(y = mx + b\) be the image when the line \(x ... 1516.00
536 AMC 12 1992 A Q24 Let \(ABCD\) be a parallelogram of area \(10\) wit... 1516.00
537 AMC 12 1999 A Q13 Define a sequence of real numbers \( a_1\), \( a_2... 1516.00
538 AMC 12 1999 A Q16 What is the radius of a circle inscribed in a rhom... 1516.00
539 AMC 12 1999 A Q29 A tetrahedron with four equilateral triangular fac... 1516.00
540 AMC 12 1982 A Q21 In the adjoining figure, the triangle \(ABC\) is a... 1516.00