"A number is divisible by 11 if the difference between the sums of the digits in odd and
Channel: Doubtnut
Date: 05/04/2020

"A number is divisible by 11 if the difference
 between the sums of the digits in odd and even places respectively is 
a multiple of 3 (b) a
 multiple of 5
zero or a multiple of 7 (e) 
 zero or a multiple of 11"