What is value of (P + Q)/(P - Q) if P/Q = 7 ?  Choose the correct choice from the following answers:
A) 1 / 3
B) 2 / 3
C) 4 / 3
D) 5 / 3
E) none of these

Rationale: explanation : ( p + q ) / ( p - q ) = ( p / q + 1 ) / ( p / q - 1 ) = ( 7 + 1 ) / ( 7 - 1 ) = 4 / 3 . answer : c
Answer: C