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# Aptitude – Problems on Boats and Streams

#### Aptitude – Problems on Boats and Streams

In this unit, You can Completely learn Aptitude – Problems on Boats and Streams.

#### Problems on Boats and Streams Important Formula:

1. Downstream/Upstream: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/hr 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 still water = 1 (a + b) km/hr. 2
 Rate of stream = 1 (a – b) km/hr. 2

YOU

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