1.

 A motorboat in still water travels at a speed of 36 km/hr. It goes 56 km upstream in 1 hour 45 minutes. The time taken by it to cover the same distance down the stream will be

A. 2 hour 25 minutes
B. 3 hours
C. 1 hour 24 minutes
D. 2 hour 21 minutes
Answer» D. 2 hour 21 minutes


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