In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still wear (in km/hr) is: | Aptitude and Interview Questions and Answers

Saturday, April 6, 2013

In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still wear (in km/hr) is:

A. 2
B. 4
C. 8
D. 12
Ans: C

Explanation:

Speed in still water = 1/2 (11+5) kmph
= 8 kmph.

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