If the speed of the stream is 20% of the...

If the speed of the stream is 20% of the speed of boat in still water and it covers 120 km upstream in 150 minutes, then what is the downstream speed of the boat?

A

75 km/h

B

64 km/h

C

72 km/h

D

80 km/h

Verified by Experts

The correct Answer is:

C

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