Bag A contains 2 red, 3 black balss. Bag B contains 3 red, 2 black balls. One ball is drawn from the bag A and placed in B. One ball is drawn from the bag B and placed in A. The probability that the composition of balls in the bags remain unaltered is

Bag A contains 4 white, 3 black balls. Bag B contains 3 white ad 5 black balls. One ball is drawn from each bag. The probability that one is white and one is black is

A bag A has 3 red and 2 black balls, and a bag B had 3 red and 4 black balls. Then one ball is drawn from B and placed in A. if one ball is drawn from A. What is the probability that it is red ?

One bag A contains 4 red and 5 black balls. The other bag B contains 6 red and 3 black balls. A ball is taken from bag A and transferred to bag B. Now a ball is taken from bag B. Find the probability that the ball drawn is red.

One bag a contains 4 red and 5 black balls. The other bag B contains 6 red and 3 black balls. A ball is taken rom bag A and transferred to bag B. Now a ball is from bag B. Find the probability that the ball drawn is red.

One bag contains 3 red and 5 black balls. Another bag contains 6 red and 4 black balls. A ball is transferred from first bag to the second bag and then a ball is drawn from the second bag. Find the probability that the ball drawn is red.

Bag A contains 4 red and 5 black balls and bag B contains 3 red and 7 black balls. One ball is drawn from bag A and two from bag B. Find the probability that out of 3 balls drawn, two are black and one is red.

Bag A contains 4 red and 5 black balls and bag B contains 3 red and 7 black balls.One ball is drawn from bag A and two from bag B.Find the probability that out of 3 balls drawn,two are black and one is red.

A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One ball of the two bag is drawn at random and the ball is drawn the bag is found to be red. Find the probability that the ball is drawn from first bag

Bag I contains 3 red and 4 black balls and Bag II contains 4 red and 5 black balls.One ball is transferred from Bag I to Bag II and then a ball is drawn from Bag II.The ball so drawn is found to be red in colour.Find the probability that the transferred ball is black.