In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still… · ABC26GN3804

Subject: General Aptitude · Chapter: Boats and Streams · Exam: B.Ed Entrance 2009

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

(a)3

(b)5

(c)8

(d)9

Answer

Answer (as printed): C

Explanation

Speed of the boat in still water $=\frac{1}{2}(11+5) \mathrm{km} / \mathrm{hr}=8 \mathrm{km} / \mathrm{hr}$.

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