There are two number A and B. A is a 2-digit number which is a multiple of 8. B is a 2-digit number which is a multiple of 15. What is the largest possible difference between the two numbers A and B?
8 x 12 ==96 - multiple of 8
15 x 1 ==15 - multiple of 15
96 - 15 ==81 - the largest difference between A and B
