GRE Question of the Day (April 27th)

Math

If a bag contains 18 yellow tiles and 22 black tiles, what is the probability that a tile selected at random from the bag will be yellow?

A. \({\frac{{1}}{{10}}}\)

B. \({\frac{{9}}{{20}}}\)

C. \({\frac{{11}}{{20}}}\)

D. \({\frac{{9}}{{11}}}\)

E. \({\frac{{11}}{{9}}}\)

Correct Answer - B - (click and drag your mouse to see the answer)

Question Discussion & Explanation