TCS Company Numerical Ability Probability

if 4 men role the same dice simultaneously, what is the probability that all of them get the same number on the dice. (please keep in mind the number of questions you solve this in the paper the lower cutoff in my college lowered than it always used to be, eoople who attempted16-18 are through and i haven't found yet among my mates anyone who have attempted more than 21 and is through)

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TCS Other Question

4 persons roll a dice. what is the probability that atleast two of them get the same number? In how many ways a team of 11 must be selected a team 5 men and 11 women such that the team must comprise of not more than 3 men.