If p and q are positive integers, which of the following can never be the greatest common divisor of 48p and 18q? Choose the most appropriate option:
A) 48	B) 48p	C) 18q	D) 6(p-q)	E) 16q
Greatest Common Factor of 48p and 18q = 6 or 6p or 6q ( A multiple of 6 )   Now, check the options , except (E) all are multiple of 6..   Hence ANSW16qR:16q
<result>E</result>
If p and q are positive integers, which of the following can never be the greatest common divisor of 48p and 18q?