Bag A contains 6 red and 4 black balls . One ball is drawn at random from the bag. Find the probability that it was a red ball.

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

Bag I contains 6 red and 4 black balls while another bag II contains 2 red and 6 black balls. One ball is drawn at random from one of the bags and found to be red. Find the probability that it was drawn from bag II.'

A bag contians 4 white balls and 2 black balls. Another bag contains 3 white balls and 5 black balls. If one ball is drawn from each bag, find the probability that both are black.

A bag contains 5 red balls, 8 white balls 4 green balls and 7 black balls. If one ball is drawn at random, find the probability that it is : red

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

A bag contains 225 balck balls, 75 red balls and 25 white balls. A ball is drawn at random from the bag. Find the probability of getting a black ball.