question_answer

A bag contains x white balls, 15 red balls and y black balls. A ball is drawn at random from the bag. If the probability that the drawn ball is white, is \[\frac{4}{15}\] and the probability that the drawn ball is red, is \[\frac{1}{3},\] then the values of x and y are respectively ________.

A)  18, 12             

B)  12, 18

C)  14, 16             

D)  16, 14

E)  None of these