Discussion Forum



1)

What is the values of $\frac{\left(P+Q\right)}{\left(P-Q\right)}$ if $\frac{P}{Q}=7$


A) 1/3

B) 2/3

C) 4/3

D) 7/8

Answer:

Option C

Explanation:

Given  $\frac{P}{Q}=7 $ 

from that P = 7Q,substitute in $\frac{P+Q}{P-Q} $

So,we will get $\frac{7Q+Q}{7Q-Q} =\frac{8Q}{6Q}=\frac{4}{3}$