Officer-2015
Bangladesh Bank Recruitment
61. If $P=frac{x^{2}-36}{x^{2}-49}$ and $Q=frac{x+6}{x+7}$, then what is the value of $frac{P}{Q}$?
(a)$ frac{x-6}{x-7} $ (b) $frac{x-6}{x+7}$
(c) $frac{x-6}{x+6}$ ...