Three six faced dice are tossed together, then the probability that exactly two of the three numbers are equal is :

Three coins are tossed together. Find the probability of getting exactly two heads.

Three coins are tossed together.Find the probability of getting exactly two heads.

If three six-faced fair dice are thrown together, find the probability that the sum of the numbers appearing on the dice is 12.

If three six-faced fair dice are thrown together, find the probability that the sum of the numbers appearing on the dice is 12.

Three six-faced dice are thrown together. The probability that the sum of the numbers appearing on the dice is k(3 le k le 8) , is

Three six-faced dice are thrown together. The probability that the sum of the numbers appearing on the dice is k(3 le k le 8) , is