The positive integer is not divisible by . The remainder when is divided by and the remainder when is divided by are both equal to . What is ?

How many integers are between and , inclusive?

Mrs. Lovell assigns her reading class to read pages three through sixty-four of their textbook. How many pages must each student read?

How many integers lie between and , including the end points?

Four consecutive odd integers sum to 40. How many of these numbers are prime?

How many prime numbers are between 1 to 25?

A custom-made ruler is long and for every there's a tick mark. How many tick marks are there on the ruler?