A bag contains two pairs of shoes. Two shoes are drawn from it. The probability that it is a pair is-

From a heap containing 10 pairs of shoes 6 shoes are selected at random. Find the probability that (i) There is no complete pair in the selected shoes (ii) atleast one correct pair in the selected shoes (iii) 2 correct pairs in the selected shoes.

A box contains 8 pairs of shoes.If 4 shoes are selected at random then find the probability that exactly one pair of shoe is selected.

There are 10 pairs of shoes in a cup board from which 4 shoes are picked at random. The probability that there is atleast one pair is

There are 20 pairs of shoes in a closet. Four shoes are selected at random. The probability that there is exactly one pair is

From a bag containing 4 red and 2 white balls two balls are drawn. The probability that both the balls are red is:

There are 20 pairs of shoes in a cupboard. Ten shoes are taken at random. The probability that no complete pair is possible from the selected shoes is

There are 5 pairs of shoes in a cupboard from which 4 shoes are picked at random. The probability that there is at least one pair is

There are 20 pairs of shoes in a cupboard. Ten shoes are taken at random. The probability that at least four complete pairs are possible from the selected shoes is