Question

Using divisibility test determine which of the following numbers are divisible by 11
$10824$

Answer 1

$10824:-$ Sum of the given digits at odd places = $4+8+1=13$
Sum of the given digits at even place= $2+0=2$
Difference= $13-2=11$
As the difference between the sum of the digits at odd places and sum of the digits at even place is $11$.
Which is divisible by $11$. Therefore $10824$ is divisible by $11$.