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Boat Speed Upstream Downstream Formula
Boats and Streams questions require concepts and formula of time speed and distance. However, various tricks and shortcut formulas are handy to save time.� Below are the lists of the formulas: Let the speed of a boat (or man) in still water be X m/sec, and the speed of the stream (or current) be Y m/sec. Speed of boat with the stream (or Downstream or D/S) = (X + Y) m/sec. Speed of boat against the stream (or Upstream or D/S) = (X � Y) m/sec. Speed of man/boat in still water. Speed of the stream. Elementary solved questions on boats and streams: Question 1: A boat is rowed down a river 28 km in 4 hours and up a river Speed Of Boat And Stream Formula 2018 12 km in 6 hours. Find the speed of the boat and the river. Explanation: Downstream Speed = 28/4 = 7 kmph. 1. Boats and Streams Formulas and Facts. 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 u. This is the aptitude questions and answers section on "Boats and Streams Important Formulas" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.� 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. 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. Read more: Boats and Streams - General Questions. Boats and Streams - Data Sufficiency 1. Boats and Streams - Data Sufficiency 2. Current Affairs Interview Questions and Answers.

Quantitative Aptitude for Competitive Examinations Hello, Aspirants welcome to our quantitative aptitude for competitive examinations. We composed this with a total of 30 chapters which�. Your email address will not be published. By using this form you agree with the storage and handling of your data by this website. Notify me of follow-up comments by email.

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No products in the cart. Sign in Sign up. Search for:. By s eeing the name of Boats and Streams Questions of concept aspirant feel that it may be different from other sections in quantitative aptitude. Absolutely wrong, yes it is a similar concept like speed, distance and time. Hence the aspirant no needs to bother about the boats and streams concept.

You can easily understand boat and stream when you going into the subject. Frequently from this topic, upstream and downstream questions and speed of boat in still water like questions were asked. You can solve them with the help of upstream and downstream formulas. Before going throw this chapter aspirant needs to know some important terms and their meanings used in various concepts in these boats and streams chapter with boats and streams tips and tricks. Here you have to know the meanings of terms of upstream and downstream related to the movement of water with river flow.

Still Water: If the speed of water in a river is zero, means there is no the movement of water in a river, then it is known as still water. A stream of Water: When the water in a river having the certain speed, means there is a movement of water either in upward or downward direction, then it is known as stream of water. Speed of Boat or Swimmer: when a boat or swimmer moves in water of the river, it means either boat or swimmer having certain speed in still water and this is known as the speed of boat or swimmer in the still water.

Downstream: If the movement of boat or swimmer in the river is along with the direction of the stream, means both boat and stream having movement in the same direction, then it is known as downstream. Upstream: It is exactly opposite to the downstream. Here the movement of boat or swimmer in the river is opposite to the direction of the stream, it means movement of boat or swimmer against to the direction of the stream of river water.

Example 4: A boat takes 8h to row 48 km downstream and 12h to row the same distance upstream. Note: This formula applicable only for equal distances. It takes him twice as long to row up as to row down the river. Find the rate of the stream? If stream is flowing at a speed of Y, it takes time T to row to a place and back, then. When the river is running at 2. Concept 3: A man rows a certain distance downstream in X h and returns the same distance in Y h.

Example 3: Kiran can row a certain distance downstream in 12h and can return the same distance in 18h. Example 4: Ravi rows in still water with a speed of 4. Find his average speed for the whole journey, if the river is flowing with a speed of 1.

Concept 6 : If a man covers L km distance in t1 hr along the direction of river and he covers same distance in t2 hr against the direction of river, then. Example 6: A boat covers 20 km in an hour with downstream and covers the same distance in 2h with upstream.

Then find the speed of the boat in still water and speed of stream? Categories: Aptitude , Tips and Tricks. Tagged: boat and stream , boat and stream formula , boat and stream questions , boats and streams , boats and streams concept , boats and streams formula , boats and streams formulas , boats and streams tips and tricks , speed of boat in still water , upstream and downstream questions , upstream downstream questions. Related Articles. Responses Cancel reply Your email address will not be published.

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