Question

Question 29

In the given question, fill in the blanks to make the statement true.

A number is divisible by 11 if the differences between the sum of digits at its odd places and that of digits at the even places are either 0 or divisible by ___.

Answer 1

11
By test of divisibility 11, the difference of the sum of its digits at odd places and that of even places is either zero or multiple of 11.