**Problem 1 – Divisibility rule for 9**

Check whether 24597 is divisible by 9?

**a) Yes**

b) No

A number is divisible by 9, if the sum of all the digits of the numbers is divisible by 9.

In, 24597

Sum of its digits = 2 + 4 + 5 + 9 + 7 = 27

and 27 is divisible by 9

So, 24597 is also divisible by 9