If 5A72B is divided by 11, then what is the value of B - A? |
3 2 1 4 |
1 |
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 |