TISSNET 2014

Question 43

Using the digits 6,5,4,3,2,1 without repetition, how many three digit numbers can one make?

Solution

The first place can be chosen in 6 ways.

The second-place can be chosen in 5 ways

The third-place can be chosen in 4 ways.

Total = 6 x 5 x 4 = 120


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