**Problem 1 – Divisibility test for 3**

Check whether 1254 is divisible by 3 ?

**a) Yes**

b) No

A number is divisible by 3, if the sum of all the digits of the number is divisible by 3.

In, 1254

Sum of its digits = 1 + 2 + 5 + 4 = 12

and 12 is divisible by 3

So,1254 is also divisible by 3