Question

what is the divisibility rule of 11​

Answer 1

Answer:

Divisibility rule for 11: If in any number the sum of the numbers in the even positions = sum of the odd numbers in the odd positions, then the number is divisible by 11.

Answer 2

Answer:

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. 

therefor 11 is divisible by 11...

for ex 121

1+1=2

and2=2

so,there

so,

it is divisible by 11