There are 10 pairs of shoes in a cupboard, from which 4 shoes are picked at random, then find the probability of at least one pair.

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 10 pairs of shoes in a cupboard, from which 4 shoes are picked at random. If p is the probability that there is at least one pair, then 323p-97 is equal to

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 10 pairs of shoes in a cupboard from which 4 shoes are picked at random. In the above problem the probability that there are two pairs is

There are 10 pairs of shoes in a cupboard from which 4 shoes are picked at random. In the above problem the probability that there is no pair is

There are 10 pairs of shoes in a cupboard from which 4 shoes are picked at . In the above problem the probability that there is exactly 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

There are 20 pairs of shoes in a closet. Out of them 4 shoes are selected at random. The probability that there is exactly one pair among the 4 shoes is

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

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