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 A contains 2 white, 1 black and 3 red balls, Bag B contains 3 white, 2 black and 4 red balls and Bag C contains 4 white, 3 black and 2 red balls. One Bag is chosen at random and 2 balls are drawn at random from that Bag. If the randomly drawn balls happen to be red and black, what is the probability that both balls come from Bag B ?

Three balls are drawn from a bag containing 5 red, 4 white and 3 black balls. The number of ways in which this can be done, if atleast 2 are red, is.

A bag contains 7 white, 5 black and 4 red balls, find the probability that the balls is white.

A box contains 3 red, 4 white and 2 black balls. The number of ways in which 3 balls can be drawn from the box, so that at least one ball is red , is ( all balls are different )

There are two bags . One bag contains 3 white balls and 2 black balls . The other box contains 7 white and 3 balck balls , If a bag is selected at random and from it , then a ball is drawn then the probability that the ball is black is .

A box contains 4 white balls, 5 black balls and 2 red balls. The number of ways three balls be drawn from the box, if atleast one black ball is to be included in the draw is …….. .

There are 4 white, 3 black and 3 red balls in a bag. Find the number of ways of selecting three balls, if at least one black ball is there.

A bag contains 3 black, 4 white and 2 red balls, all the balls being different. The number of selections of at most 6 balls containing balls of all the colours, is

There are 4 red, 3 black and 5 white balls in a bag. Find the number of ways of selecting three balls, if at least one black ball is there.

A bag contains 3 white, 5 black and 2 red balls all of the same shape and size. A ball is drawn at random, find the probability that the ball drawn is : (i) a black ball (ii) not a red ball.