A bag contains 3 red balls and 5 black balls. A ball is selected at random from the bag. What is the probability that the ball selected is (i) red ? (ii) not red?

A bag contains 5 red, 8 green and 7 white balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is ( 1 ) a white ball or a green ball, ( 2 ) neither a green ball nor a red ball and ( 3 ) not a white ball.

A box contains 3 blue, 2 white, and 4 red marbles. If a marble is selected at random from the box, what is the probability that it will be (i) white? (ii) blue? (iii) red?

A bag X contains 3 white and 2 black balls; another bag Y contains 2 white and 4 black balls. A bag and a ball out of it is picked at random. What is the probability that the ball is white?

A bag contains 8 red and 5 white balls. Three balls are drawn at random. Find the Probability that All the three balls are red

A bag contains 8 red and 5 white balls. Three balls are drawn at random. Find the Probability that All the three balls are white

A bag (I) contains 4 white and 2 black balls and bag II contains 3 white and 4 black balls. One bag is selected at random and one ball is drawn from it. Then find the probability of an event that selected ball is white.

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. Find the probability that it was drawn from Bag II.

A bag contains 8 red and 5 white balls. Three balls are drawn at random. Find the Probability that One ball is red and two balls are white

A box contains 8 red, 3 white and 9 black balls. If three balls are drawn at random, find the probability that: (i) All three balls are of different colour, (ii) One ball is red and two balls are white. (iii) All three balls are black.