Correct option is C
A number is divisible by 11 if the sum of the digits at the odd places and the sum of the digits at the even place is zero or divisible by 11 odd.
The number 7X6 ⇒ 7 + 6 = 13 - X.
On putting the value of X = 2
13 – 2 = 11 which is divisible by 11.
Then the value of X is 2
