" 2.Four identical dice are rolled once.Probability that atleast "3" different numbers appear on them is "

Four identical dice are rolled once. The probability that atleast different numbers appears on them is .

Four identical dice are rolled once.The probability that at least three different numbers appear on them,is

Four identical dice are rolled once. The probability that at least three different numbers appear on them, is

Four identical dice are rolled once. The probability that at least three different numbers appear on them, is

Four identical dice are rolled once. The probability that at least three different numbers appear on them, is

Four identical dice are rolled once. The probability that at least three different numbers appear on them, is

Three dice are rolled. The probability that different numbers will appear on them is

Three dice are rolled. The probability that different numbers will appear on them is

Three identical dice are rolled once. The probability that the same number will appear on each of them, is (a) 1/6 (b) 1/36 (c) 1/18 (d) 3/28