9th Class
Mathematics
Sample Paper
Maths Olympiad Model Test Paper-18
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 ________.