A box contains 2 blue and 3 pink balls and another box contains 4 blue and 5 pink balls. One ball is drawn at random from one of the two boxes and it is found to be pink. Find the probability that it was drawn from : first box.

Bag I contains 3 red and 4 black balls while another bag II contains 5 red and 6 black balls. One ball is drawn at random from one of the bags and it is found to be red. The probability that it was drawn from Bag II is

A bag 'A' contains 2 white and 3 red balls and bag 'B' contains 4 white and 5 red balls. One ball is drawn at random from a randomly chosen bag and is found to be red. The probability that it was drawn from bag 'B' was

A bag contains 3 yellow, 4 blue and 5 white balls. One ball is drawn at random . Find the probability that it is blue

There are 3 bags which are known to contain 2 white and 3 black, 4 white and 1 black, and 3 white and 7 black ball, respectively. A ball is drawn at random from one of the bags and found to the black ball. Then the probability that it was drawn from the bag containing the most black ball is

A bag contains 3 yellow, 4 blue and 5 white balls. One ball is drawn at random . Find the probability that it is Not white.

A beg contains 3 yellow, 4 blue and 5 white balls. One ball is drawn at random . Find the probability that it is Yellow or white

There are 3 bags A,B and C. Bag A contains 2 white and 3 black balls, bag B contains 4 white and 2 balck balls and bag C contains 3 white and 2 black balls. If a ball is drawn at random from a randomly chosen bag, then the probability that the ball drawn is black is