DIRECTION for the question: Solve the following question and mark the best possible option.

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 in stationary water?

A

1 hour

B

1 hr 15 min

C

40 minutes

D

1 hr 30 min

E

50 minutes