If 36/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.  Options: A) I only B) I, II, and III C) I and II only D) I only E) III only
The largest possible value of x is 36 (the greatest common factor of 36 and 108), and if x=36 then   III only
<result>E</result>
If 36/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.