Question

for which of the following values of x the number 2x5 becomes divisible by 3​

Answer 1

Step-by-step explanation:

We know the divisibility rule for 3:

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

Here, 3+1+5=9 is divisible by 3.

So, the value of x is 1.

Answer 2

for which of the following values of x the number 2x5 becomes divisible by 3