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- A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours.
Question 1:
A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours.What is the speed of the boat in still water?
A. 4 km/hr
B. 6 km/hr
Feedback Rate downstream = (16 / 2 ) kmph = 8 kmph
Rate upstream = (16/4) kmph = 4 kmph
Speed in still water = 1/2 (8 + 4 ) kmph = 6 kmph.
Rate upstream = (16/4) kmph = 4 kmph
Speed in still water = 1/2 (8 + 4 ) kmph = 6 kmph.
C. 6 km/hr
D. Data inadequate
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