Question

Test the divisibility of the following numbers by $11$.

$943525$

Answer 1

A number is divisible by $11$ if the difference between the sum of the alternate digits is $0$ or a multiple of $11$.

In the given number $943525$,

The difference between the sum of the alternate digits is $\left(9+3+2\right)-\left(4+5+5\right)=0$,which is divisible by $11$

Hence, the given number $943525$ will divisible by $11$.