A Number is divisible by 5 if
Last digit is 5 or 0
Example
Is 60 divisible by 5?
As last digit is 0,
It is divisible by 5
Is 25 divisible by 5?
As last digit is 5,
It is divisible by 5
Is 39 divisible by 5?
As last digit is not 5 or 0,
It is not divisible by 5