Unsold books of store P in approximately what percent more or less than total unsold books of store Q and R together.

Options

A. a) 0.48
B. b) 0.53
C. c) 0.59
D. d) 0.52

Answer

B

Explanation

Unsold books store `P=7000xx(70)/(100)=4900`
Unsold book of store Q and R together `=1000xx(60)/(100)+9000xx(50)/(100)=10500`
Required `%=(10500-4900)/(10500)xx100=53%` (approx)