BOATS AND STREAM
1. The speed of a boat in still water is 4 km/hr and
the speed of current is 2 km/hr. If the time taken
to reach a certain distance upstream is 9 hours,
the time it will take to go to same distance
downstream is
(a) 3.5 hrs (6) 2.5 hrs (c) 2 hr (d) 3 hrs
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Answer:
a.
Explanation:
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