Boat & Stream

There are some terms in Boat & Stream problems you must know are as follows:-

• Stream – The moving water in a river is called a stream.
• Upstream – If the boat is flowing in the opposite direction to the stream, it is called upstream. In this case, the net speed of the boat is called the upstream speed.
• Downstream – If the boat is flowing along the direction of the stream, it is called downstream. In this case, the net speed of the boat is called downstream speed.
• Still Water – Under this circumstance the water is considered to be stationary and the speed of the water is zero.