IBPS RRBs Officer Scale I and II 12 Se 2015 Paper

(1) Total number of cellular phones sold by store E
=

6400×12

100

=768
Number of Nokia phones sold by it
=

3000×8

100

=240
∴ Number of Samsung phones sold
= 768 – 240 = 528
Total number of cellular phones sold by store C = 960
∴ Required percent
=

528

960

×100 = 55%