Bag I contains 3 black and 2 white balls, Bag II contains 2 black and 4 white balls. A bag and then a ball is selected at random. Determine the probability of selecting a black ball.

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.

A bag contains 5 black and 3 white balls. Two balls are drawn at random. Find the probability of drawing two black balls.

A bag contains 5 black and 3 white balls. Two balls are drawn at random. Find the probability of drawing two white balls.

A bag contains 5 red, 8 black and 7 white balls. One ball is chosen at random. What is the probability that the chosen ball is back?

Bag I contains 3 black and 7 red balls, bag II contains 6 black and 4 red balls and bag III contains 5 black and 5 red balls.One of the bag is selected at random and a ball is drawn from it. The ball is found to be red. Find the probability that ball is drawn from Bag II.

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

A bag contains 10 white, 6 black and 4 red balls. Find the probability of getting : a black ball

Bag I contains 4 black and 6 red balls, bag II contains 7 black and 3 red balls and bag III contains 5 black and 5 red balls.One of the bag is selected at random and a ball is drawn from it. The ball is found to be red. Find the probability that ball is drawn from Bag I.

Bag I contains 2 black and 8 red balls, Bag II contains 7 black and 3 red balls and Bag III contains 5 black and 5 red balls.One of the bag is selected at random and a ball is drawn from it. The ball is found to be red. Find the probability that ball is drawn from Bag III.

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 .