How many numbers are present between 50 and 100 (Both excluding) which contains digit 5 and can be, exactly divisible by digit 5?

A number is divisible by 5 if it ends in 0 or 5.

The numbers are: 55, 60, 65, 70, 75, 80, 85, 90, 95.

From the above list, the numbers that contain digit 5 are:
55, 65, 75, 85, 95.

The total numbers that satisfy the given conditions: 5.

Thus, the correct answer is (a).