A bag contains 7 blue balls and 5 yellow balls , if two balls are selected at random, what is the probability that none is yellow ?

A bag contains 4 red, 6 blue and 7 yellow balls. One ball is selected at random. What is the probability that it is blue or yellow ball

A bag contains 4 red, 6 blue and 7 yellow balls. One ball is selected at random. What is the probability that it is not blue ball

A bag contains 4 red, 6 blue and 7 yellow balls. One ball is selected at random. What is the probability that it is a red ball ?

There are 5 red balls, 4 green balls and 6 yellow balls in a box. IF a ball is selected at random, what is the probability of not getting a yellow ball?

A bag contains 10 blue balls and 12 yellow balls. Another contains 15 blue balls and 7 yellow balls. If all the balls are put in a single bag, what is the probability of getting a yellow ball, from it?

A bag contains 6 blue balls and 5 green balls and 2 red balls. A ball is chosen at random. What is the probability of getting a red ball?

A bag contains 4 red balls, 5 green balls, and 3 blue balls. If a ball is selected at random from the bag, what is the probability that the ball selected will be green ?

A bag contains 5 black balls, 4 white balls and 3 red balls. If a ball is selected at random, the probability that it is not red is ..........

A bag contains 7 white balls ,9 green balls and 10 yellow balls . A ball is drawn at random from the bag . What is the probability that it will be not yellow