Question

Show that one and only one out of n, n+4, n+8, n+12 and n+16 is divisibly by 5 where is
any positive integer​

Answer 1

Given numbers are n, (n+ 4), (n + 8), (n + 12) and (n + 16), where n is any positive integer. ... We definitely get one and only one of given numbers is divisible by 5. Hence, one and only one out of n, n+ 4, n+ 8, n+12 and n+16 is divisible by 5.

Answer 2

Answer:

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