If 5A72B is divided by 11, then what is the value of B - A?

If the number 5A72B  is divisible by 11

 According to the divisibility rule of 11

Sum of odd = Sum of even 

or

The difference between the sum of even and odd must be equal to 0 or divisible by 11

⇒  5 + 7 + B = A + 2

B - A = - 10 or 11 - 10 = 1