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Niloy uses 1,2,3,4,5 digits to form all five digit numbers. So what is the average number of all 5 digit numbers that can be formed without using the numbers 1,2,3,4,5 more than once?Number Theory
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Niloy uses 1,2,3,4,5 digits to form all five digit numbers. So what is the average number of all 5 digit numbers that can be formed without using the numbers 1,2,3,4,5 more than once?