MathDB
Number Of Balls

Source:

June 27, 2011
probability

Problem Statement

A bag contains only blue balls and green balls. There are 66 blue balls. If the probability of drawing a blue ball at random from this bag is 14 \frac{1}{4} , then the number of green balls in the bag is
(A) 12(B) 18(C) 24(D) 30(E) 36 \text{(A)}\ 12\qquad\text{(B)}\ 18\qquad\text{(C)}\ 24\qquad\text{(D)}\ 30\qquad\text{(E)}\ 36
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