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How many 3 digit numbers can be formed using the numerals of {3,2,7,9} if repetition is not allowed

How many 3 digit numbers can be formed using the numerals of {3,2,7,9} if repetition is not allowed
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5 votes
How many 3 digit numbers can be formed using the numerals of {3,2,7,9} if repetition is not allowed

User Icepicker
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1 Answer

4 votes
4*3*2*1

24 three-digit numbers can be formed
User Henrik Clausen
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