In three pots, there are 3 white and 2 black balls, 2 white and 3 black balls, 1 black and 4 white balls,respectively. The probability of selecting each pot isequal. One ball is drawn at random from a pot. Find the probability of drawing ball is a white ball.

There are three urns containing 2 white and 3 black balls, 3 white and 2 black balls and 4 white and 1 black balls, respectively. There is an equal probability of each urn being chosen. A ball is drawn at random from the chosen urn and it is found to be white. Find the probability that the ball drawn was from the second urn.

A bag contains 5 black and 3 white balls. Two balls are drawn at random. Find the probability of drawing: (i) 2 black balls (ii) 2 white balls.

A bag contain 5 Black and 3 white balls .Two balls are drawn at random .Find the probability of drawing (i) 2 Black balls (ii) 2 white balls .

Three urns contains 3 white and 2 black,2 white and 3 black and 1 black and 4 white balls respectively.A ball is picked from any urn at random.What is the probability that the ball is white?

A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is white

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is red or white.

A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is neither white or black.

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.