Question

a457 is divisible by 3. what is the value of a​

Answer 1

Answer:

2, 5, 8

Step-by-step explanation:

A no. to be divisible by 3 should have digits whose sum equals a multiple of 3

So here,

a+4+5+7 = 3,6,9 and so on

As 4+5+7 = 16

So a must have a value like 2,5,8