Question 924852: Consider the numbers 2, 3, 5, and 9. If repetition is not allowed, how many three digit numbers can be formed such that they are all odd?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Consider the numbers 2, 3, 5, and 9. If repetition is not allowed, how many three digit numbers can be formed such that they are all odd?
units digit:: 3 ways
tens digit:: 3 ways
hundreds digit: 2 ways
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Ans: 3*3*2 = 18 ways
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Cheers,
Stan H.
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