If 144/x is an integer and 108/x is an integer, which of the following must be true?
I. 9/x is an integer.
II. 12/x is an integer.
III. 36/x is an integer.	Select:
A) I only
B) III only
C) I and II only
D) II and III only
E) I, II, and III
The largest possible value of x is 36 (the greatest common factor of 144 and 108), and if x=36 then ONLY III is true.   Answer: III only.
<result>B</result>
If 144/x is an integer and 108/x is an integer, which of the following must be true?
I. 9/x is an integer.
II. 12/x is an integer.
III. 36/x is an integer.