Problema Solution
The tens digit of a certain two-digit number exceeds the units digit by 4 and less than twice the units digit. Find the two-digit number.
Answer provided by our tutors
AB
If B = x, then A = x + 4
Also, A = 2x -1
So that,
2x - 1 = x + 4
x = 5
B = 5, A = 9
So AB = 95