Determine if is divisible by .
Divisibility test:
As We have
Let’s check if
A number is divisible by if its unit digit contains
Since as its unit digit, therefore,
A number is divisible by if sum of digits of number is divisible by
Let’s find the sum of the digits
Since is divisible by
Therefore, is also divisible by
Since is divisible by both and,
So, it is divisible by
Thus, is divisible by