Question

The difference of a $3$ digit number $312$ and number obtained by reversing the digits is divisible by ___.

• A. $90$
• B. $91$
• C. $95$
• D. $99$

Answer 1

Answer: (D)

$99$

Given number is $312$
Number obtained by reversing the digits is $213$
The difference $=312-213=99$ is divisible by $99$.
So, the number is divisible by $99$.