MathDB
1987 AJHSME Problem 4

Source:

June 25, 2011
ratio

Problem Statement

Martians measure angles in clerts. There are 500500 clerts in a full circle. How many clerts are there in a right angle?
(A) 90(B) 100(C) 125(D) 180(E) 250\text{(A)}\ 90 \qquad \text{(B)}\ 100 \qquad \text{(C)}\ 125 \qquad \text{(D)}\ 180 \qquad \text{(E)}\ 250