Question

show that one and only one out of n,n+1,n+12,n+16 is divisible by 5 where the n is any positive integer

Answer 1

Answer:

Step-by-step explanation:

Let the positive integer be 3=n.

So,

n=3,

n+1=3+1=4,

n+12= 15,

n+16= 19........

Hence, only n+12 is divisible by 5...

Proved!