If $${p^2} + {q^2} = 7pq{\text{,}}$$    then the value of $$\frac{p}{q}{\text{ + }}\frac{q}{p}$$   is equal to?

A. 9

B. 5

C. 7

D. 3

Answer: Option C

Solution(By Examveda Team)

$$\eqalign{ & {p^2} + {q^2} = 7pq \cr & \frac{p}{q}{\text{ + }}\frac{q}{p} = 7 \cr} $$
(Divide whole equation by pq)