Question

Please tell me is this number is divisible by 11 8661 1291

Answer 1

Answer:

Here an easy way to test for divisibility by 11. Take the alternating sum of the digits in the number, read from left to right. If that is divisible by 11, so is the original number.

So, for instance, 2728 has alternating sum of digits 2 – 7 + 2 – 8 = -11. Since -11 is divisible by 11, so is 2728.

it is the short process

please try using it

if the process is useful for you please follow me