Question

Find the number, out of 18, 213, 450, 212 which is
not divisible by 3 ?​

Answer 1

Answer:

212

Step-by-step explanation:

According to test of divsibility of 3:

If the sum of the digits is a divisible by 3 then the number is divisible by 3

18=1+8=9

213=2+1+3=6

450=4+5+0=9

212=2+1+2=5

Hence, 212is not divisible by 3.

Hope it helps :)