A bag contains 8 red and 3 green balls. Three balls are drawn one after another without replacement. Find the probability  that at least two balls drawn are green.

A bag contains 5 red, 7 green and 4 white balls. Three balls are drawn one after another without replacement. Find the probability that the balls drawn are white, red and green in this very order.

A bag contains 5 red, 7 green and 4 white balls. Three balls are drawn one after another without replacement. Find the probability that the balls drawn are white, red and green in this order.

A bag contains 4 white, 7 black and 5 red balls. Three balls are drawn one after the other without replacement. Find the probability that the balls drawn are white, black and red respectively.

A bag contains 4 white, 7 black and 5 red balls. Three balls are drawn one after the other without replacement. Find the probability that the balls drawn are white, black and red respectively.

A bag contains 4 white,7 black and 5 red balls.Three balls are drawn one after the other without replacement.Find the probability that the balls drawn are white, black and red respectively.

An urn contains 12 red balls and 12 green balls. Suppose two balls are drawn one after another without replacement . Find the probability that the second ball drawn is green given that the first ball drawn is red.

A bag contains 5 red, 7 green and 4 white balls. 3 balls are drawn one after another without replacement. Find the probability that the balls are white, green and green, respectively.

(i) An urn contains 7 red and 3 black balls. Two balls are drawn one after another without replacement. What is the probability that the second ball is red if it is know that the first ball drawn is red. (ii) A box contains 8 red and 10 green balls. Two balls are drawn one after another without replacement. What is the probability that the second ball is green if it is know that the first ball drawn is red.

A bag contains 5 red, 7 green and 4 white balls. 3 balls are drawn one after another without replacement. Find the probability that out of 3 balls, one is white and 2 is green.

Anumcontains 12 red balls and 12 green balls. Suppose two balls are drawn one after another without replacement,then the probability that the second ball drawn is green given that the first ball drawn is red is