A bag contains 4 black and 5 red balls, determine the number of ways in which 3 black and 3 red balls can be drawn.

A bag contains 5 black and 6 red balls. Determine the number of ways in which 2 black and 3 red balls can be selected.

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 bag is chosen at random and a ball is drawn from it which is found to, be red. Find the probability that the ball is drawn from bag II.

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 bag is chosen at random and a ball is drawn from it which is found to be red. Find the probability that the ball is drawn from bag II.

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 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 contains 10 white, 6 black and 4 red balls. Find the probability of getting : not a red ball

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.

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that one of them is black and other is red.