Question

If the sum of the digits of a number is divisible by $3$, then the number is also divisible by __.

• A. $2$
• B. $3$
• C. $4$
• D. $5$

Answer 1

The correct option is B $3$

If the sum of the digits of a number is divisible by $3$, then the number is also divisible by $3$.
Example: $372$

Sum of the digits $=3+7+2=12,$ which is divisible by $3$.

The number, $372$ is also divisible by $3$.