Boats and Streams Aptitude Questions and Answers for all Competitive exams preparation

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1. In water, the direction along the stream is called downstream. And, the direction against the stream is called upstream.

2. If the speed of a boat in still water is u km/ht and the speed of the stream is v km/hr, then :

Speed downstream = (u + v) km/hr

Speed upstream (u - v) km/hr.

3. If the speed downstream is a km/hr and the speed upstream is b km/hr, then :

Speed in strill water = 1/2 (a + b) km/hr

Rate of stream = 1/2 (a - b) km/hr

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