Two balls are drawn at random from a bag containing 6 white and 4 black balls. Find the chance that one is white and the other is black.

A bag contains 3 white and 5 black balls. A ball is drawn at random. Find the chance that it is a black ball.

A bag contains 5 white,7 black and 4 red balls.Then the chance that three balls drawn at random are all white is

A bag contains 4 white and 2 black balls.Another bag contains 3 white and 5 black balls.If one ball is drawn from each bag.Find the probability that One is white and one is black.

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 contains 4 white and 2 black balls .Another contains 3 white and 5 black balls .One ball is drawn from each bag . Find the probability that one is white and one is black .

A bag contains 8 white and 7 black balls and another bag contains 5 white and 4 black balls. A ball is drawn at random from the first bag and put it into second bag. Now if a ball is drawn at random from the second bag. Find the probability that the ball drawn is white.

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

A bag contains 2 white and 3 black balls and another bag contains 4 white and 2 black balls. One bag is selected at random and a ball is drawn from it. Find the probability that the colour of the ball is white.

There are two bags containing white and black balls. In the first bag, there are 8 white and 6 black balls and in the second bag, there are 4 white and 7 black balls. One ball is drawn at random from any of these two bags. Find the probability of this ball being black.

A bag X contains 2 white and 3 black balls and another bag Y contains 4 white and 2 black balls. One bag is selected at random and a ball is drawn from it. Then the probability for the ball chosen be white is -