Aptitude - Boats and Streams - Discussion

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Q.

A boat covers a certain distance downstream in I hour, while it comes back in 1½ hours. If the speed of the stream be 3 kmph. what is the speed of the boat in still Water?  .                          


A. 12kmph B. 13kmph
C. 15kmph D. 16kmph

Answer: Option C
Explaination:

 





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