Question

Show that one and only one out of n, n+4, n+8 n+1 2 and n+16 are divisible by5

Answer 1

Answer:

Explanation:

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.