What is value of (P + Q)/(P - Q) if P/Q = 7 ?  Choose the correct option.
A) 1/3 B) 2/3 C) 4/3 D) 5/3 E) None of these
Explanation:   (P + Q)/(P - Q) = (P/Q+1)/(P/Q - 1) = (7 +1)/(7 - 1) = 4/3.   Answer: 4/3
<result>C</result>
What is value of (P + Q)/(P - Q) if P/Q = 7 ?