1.

A Boat Travels 20 Km Upstream In 4 Hours And 18 Km Downstream In 6 Hours. Find The Speed Of The Boat In Still Water?

Answer»

RATE DOWNSTREAM= 20 /4 = 5 kmph

Rate upstream= 18 / 6 = 3 kmph

Speed in still water = 1/2 (5 + 3) = 4 kmph.

Rate downstream= 20 /4 = 5 kmph

Rate upstream= 18 / 6 = 3 kmph

Speed in still water = 1/2 (5 + 3) = 4 kmph.



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