Divisibility by 11

Divisibility by 11 – method and logic beyond it

Working of divisibility for 3 and 9

We are aware that when any number has its unit digit as 0, 2, 4, 6, or 8 (all even numbers), the number is said to be divisible by 2. Similarly, to check if a number is divisible by 3 or 9, we simply sum up the digits of the number and see if it’s…