Question

The remainder when $22005$ is divided by $9$ is

• A. $0$
• B. $6$
• C. $2$
• D. none of these

Answer 1

The correct option is A $0$

We use a rule to check whether the number is divisible by 9 or not.

A number is divisible by 9 if the sum of the digits is evenly divisible by 9.

Sum of digits of $22005$ is $2+2+0+0+5=9$, which is divisible by 9 hence $1008$ is divisible by 9, hence remainder is 0.