IBPS Clerk Prelims 2017 Paper

(c) A can do work in = 24 days
B is with 20% more efficiency, so B can do same workin = 20 days
C can do the same work in = 20 + 10 = 30 daysOne day work of A and C
=

1

24

+

1

30

=

5+4

120

=

9

120

⇒

3

40

Time require by A and C = 40/3 days.