Question

If the of digits of a number is divisible by 3, then the number is divisible by 3.

• A. 2
• B. 3
• C. 4

Answer 1

The correct option is B 3

Divisibility Rule for 3 : If the sum of digits of a number is divisible by 3, then the number is divisible by 3.
For example : 531 is divisible by 3 as sum of its digits 5+3+1=9 is divisible by 3.