Question

What is the number that should be added to $12$ to make it exactly divisible by $4$?

• A. $0$
• B. $3$
• C. $4$
• D. $7$

Answer 1

The correct option is A $0$

We know the divisibility rule for $4$:
Check the last two digits are a multiple of $4$ or if the last two digits are $00$.
Here, since $12$ is already completely divisible by $4$, so we do not need to add anything to it.

So, option A is correct.