Free Online Boats and Stream Practice Test are available here with formula in the form of objective question answer.
Boats and Streams question answer are very important for the competitive examinations. Below are some useful formula of Boats and Streams:
Normally by speed of the boat or swimmer we mean speed of the boat (or swimmer) in still water.
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/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=1/2(a+b)km/hr
• rate of stream=1/2(a-b)km/hr