# Boats and Streams

### Important Formulas of Boats and Streams

1. Boat going Downstream:
If boat is going in the direction of water flow then it is called boat going downstream.

2. Boat going Upstream:
If boat is going opposite to the direction of water flow then it is called boat going upstream.

3. Speed Downstream: 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.
Means the speed of stream and of boat will be added.

4. Speed Upstream: 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 upstream = (u – v) km/hr.

5. If the speed downstream of boat is a km/hr and the speed upstream of boat is b km/hr, then

Speed in still water =1/2 (a+b)km/hr
Speed of stream =1/2 (ab)km/hr

Quiz: Boats and Streams Set 1
Quiz: Boats and Streams Set 1
Quiz: Boats and Streams Set 2
Quiz: Boats and Streams Set 3
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Quiz: Boats and Streams Set 8
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Quiz: Boats and Streams Set 10