Question

Consider a number with unit digit 5, i.e., a5
I (as) = (100+5)​

Answer 1

Answer:

Divisible by 3 and 2

3 :- 

Sum of digits divisible by 3

5+x+2

10+x

for x=2,x=5,x=8

Number is divisible by 3

So x=2 is the answer