Question

Please. Give solution​

Answer 1

We know that a number is divisible by 3 only when the sum of it's digits is divisible by 3...

So, here the given number is 157X234.

Sum of it's digits=1+5+7+X+2+3+4

=22+X

Hence to make 22+X divisible by 3 we have to add 2 or 5 or 8

Since 2 is in the option,it is the correct answer