Question

on selling a mobile for 750,a shopkeeper loses 10%.For what amount should he sell it to gain 5%

Answer 1

Cost price of mobile = (100/90) * 750

                                   = 833.3

To gain 5%, he must sell at SP = (105/100) * 833.3

                                                   = 874.9

                                                   = 875.


Hope this helps!