A bag contains twelve pairs of socks and four socks are picked up at random. The probability that there is at least one pair is equal to -

A bag contains 12 pairs of socks. Four socks are picked up at random. Find the probability that there is 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

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

20 pairs of shoes are there in a closet.Four shoe are selected at random.The probability that the yare pairs is

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.

A set P contains n elements.A function from P to P is picked up at random.The probability that this function is onto is

A bag has four pair of balls of four distinct colours. If four balls are picked at random (without replacement), the probability that there is atleast one pair among them have the same colour is