Question

How can you tell if a number is divisible by 3?

A. The number ends in an odd digit.
B. The last number is 3.
C. The first two digits are divisible by 3.
D. The sum of the digits of the number is a multiple of 3

Answer 1

The answer is D) The sum of the digits of the number is a multiple of 3.

Answer 2

The answer is D because if it can multiply by 3 it certainly can divide by three