Boats and Streams - Arithmetic Aptitude Questions and Answers

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Discussion :: Boats and Streams

A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

12 kmph

13 kmph

14 kmph

15 kmph

None of these

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Answer : Option A

Explanation :

Let the speed of the boat in still water be x kmph. Then,

Speed downstream = (x + 3) kmph,

Speed upstream = (x - 3) kmph.

(x + 3) x 1 = (x - 3) x	3
	2