IBPS Clerk Prelims 2011 Paper

(b) 8 women can do a work in 6 days.
∴ 2 women can do same work in

8×6

2

=24 days
∴ 2 women can do

1

24

work in 1 day.
∴ (2 women + 10 children) can do a work in 8 days.
∴ (2 women + 10 children)’s 1 days work

1

8

10 Children 1 day work
=

1

8

–

1

24

=

1

12

work
Hence 10 children can do same work in 12 days.