Question

If the difference between the sum of digits at odd places (from the right) and the sum of digits at even places (from the right) of a number is either 0 or divisible by _____, then the number is divisible by 11. Fill in the blanks to make the statements true.

Answer 1

If the difference between the sum of digits at odd places (from the right) and the sum of digits at even places (from the right) of a number is either 0or divisible by 11, then the number is divisible by 11. Fill in the blanks to make the statements true.