a man can row a boat at 20 km per hour in still water if the speed of the stream is kilometre per hour what is the time taken to row a Boat of 60 km downstream
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Answer:2.3 hr
Step-by-step explanation:
speed in downstream
=speed in still water + speed of stream .
=20km+6km
=26km
Distance = 60 km
Time=distance/speed
=60km/26kmperhr
=2.3 hr
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