Recent questions tagged gate2015-ce-2

5 votes
2 answers
3
How many four digit numbers can be formed with the 10 digits $0, 1, 2, \ldots, 9$ if no number can start with 0 and if repetitions are not allowed?
2 votes
2 answers
5
5 votes
1 answer
6
Four cards are randomly selected from a pack of $52$ cards. If the first two cards are kings, what is the probability that the third card is a king?$4/52$$2/50$$(1/52)×(...
2 votes
1 answer
8
0 votes
1 answer
10
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