How many 13 digit numbers are possible by using the digits 1,2,3,4,5 which are divisible by 4 if repetition of digits is allowed?

One Answer on this Question

1. Therefore, the number of possible 13 digit numbers using 1, 2, 3, 4, 5 which are divisible by 4

   = x 3 + x 2

   = (3 + 2)

   =

   = 244140625 ways

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