Question

How many numbers are divisible by $11$?
$121,4763,7321,7380,2475,8631,6591$

• A. $5$
• B. $4$
• C. $3$
• D. $2$

Answer 1

Answer: (C)

$3$

We know the divisibility rule for $11$:
If the difference of the sum of its digits at odd places and sum of its digits at even places is either $0$ or a number divisible by $11$.

So, $121,4763$ and $2475$ are divisible by $11$.

So, option C is correct.