IBPS Clerk Mains 2017 Paper

(d) In 30 min, the part of the tank will be filled by both
tap =

35

42

=

5

6

Required tap =1−

5

6

=

1

6

1

6

part of the tank will be filled by tank A in 14 min.
∴tap A will take 84 min.
∴ tap B will take time to fill the tank
=

1

42

−

1

84

=

1

84

∴ Required time = 84 min.