Two boxes contain balls as under:
Box 1: 3 White and 2 Red balls
Box 2: 2 White and 4 Red balls
One ball is drawn at random from Box 2 and is put into Box 1. Then a ball is drawn from Box 1 at random. What is the probability that the ball drawn from Box 1 is white?

An urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.

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.

A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is white?

A bag contains 6 red, 8 black and 4 white balls. A ball is drawn at random. What is the probability that ball drawn is not black?

A box contains 6 white balls and 4 black balls, A ball is drawn at random from the box. What is the probability that the ball is white.

A Box contains 5 white and 3 black ball. One ball is drawn and it is seen to be white. A second ball is drawn without returning the first ball. What is the probability that the second ball is also white?

A bag A contains 1 white and 6 red balls. Another bag B contains 4 white and 3 red balls. One of bags is selected at random and a ball is drawn from it, which is found to be white. Find the probability that the ball drawn is from the bag A.

A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is red?

A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is not red?

A bag contains 5 balls. Two balls are drawn and are found to be white. What is the probability that all the balls are white?