Trains Boats and Streams Practice Test 2 with solutions

Question : 15 of 40

Marks: +1, -0

The speed of a motorboat in still water is 9 km/hr and the speed of the stream is 2.5 km/hr. Find the time taken by the motorboat to go 9.1 km against the stream.

1 hour 24 minutes
2 hours 24 minutes
3 hours 24 minutes
4 hours 24 minutes

Validate

Solution:

The speed of a boat upstream = (9 – 2.5) km/h = 6.5 km/h
∴ Required time =

{9.1}/{6.5}

7/5

= 1 hour 24 min.

Go to Question:

Prev Question

Next Question