Question

Is 39,052 divisible by 3?

Answer 1

Explanation:

to check a number is divisible by 3. add all the numbers and check whether it is divisible by 3

=3+9+5+2

=19

so it is not divisible

Answer 2

39052 ends in 2, hence it is divisible by 2. But (3+9+0+5+2) = 19, which is not divisible by 3.