Question

A bag contains a ball of 50. some of there are white,some are blue and some are red. The number of white ball is 11 times of number of blue balls. The number of red balls is less that the number of white balls. Also the number of red ball is more than the number of blue balls. If one of the balls is selected random from the bag, what is the probability that it is red?​

Answer 1

Answer:

19 blue balls and 20 red balls