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Dear Reader, problems under streamw and streams are not only easy to solve but interesting as. In this tutorial, you will see 5 important types of problems. At the end of the tutorial, you will find short online practice test. Let us begin the exzmples. In this type, you will be finding speed of boat boats and streams examples still water i.

You have to remember a very simple formula as shown. Find the speed of the boat bats still water. Solution: From the question, you can write down the below values. You have ahd substitute the above values in the below formula. This type is fxamples to type 1. But there is one difference. Here you have to find boate of stream and not the speed of the boat. You have to use the below formula to find speed of stream.

Example Question 2: A man rows downstream 30 km and upstream 12 km. If he takes 4 hours to cover each distance, exampled the velocity of the current is:. Solution: In this boats and streams examples, downstream and upstream speeds are not given directly. Hence you have to calculate them. Step 3: Calculation of speed of stream You have to substitute values got in steps 1 and examlles in below formula to find boats Boats And Streams Problems Bankersadda Facebook and streams examples speed of the stream.

In this type, you have to find distance of places based on given conditions. Below example will help you to understand better. If in a river running at 2 km an hour, it takes him 40 minutes to row to a place and return back, how far off is the place?

The man rows to a particular sreams and comes. You have to calculate the distance boats and streams examples streamz place. Let this distance be X. See the boats and streams examples diagram to understand clearly. Man starts from A, travels to B and comes. Therefore, above equation becomes. Also we have calculated downstream and upstream speeds at the start see values 1 and 2. In question, you can see that the man takes 40 minutes to travel to B and come back to A.

You have to convert this to hours and apply in above equation. We are converting from minutes to hours because we are using speed values in km per hour units. It takes him twice as long to row up as to row down the river. Find the rate of the stream. Solution: Step 1: Calculate upstream and downstream speeds.

Based on our assumptions, you can easily calculate upstream and downstream speeds as shown. In this type, you have to form linear equations based on boats and streams examples given. You have boats and streams examples solve those equations to find the answer.

Example Question 5: Kavin can row 10 km upstream and 20 km downstream in 6 hours. Also, he can row 20 km upstream and 15 km downstream in 9 hours. Find the rate of the current and the speed of the man in still water. Solution: You have to make below assumptions to form equations. You already know the below equation. If you are not clear about this, strems to the equation in type 3.

Note: To solve such linear equations, boats and streams examples is another simple shortcut. Here is the video link to that shortcut. From the values of u and v, strewms can find the downstream and upstream speeds as shown.

Also, you know boats and streams examples formula for speed of the current. Ready for short practice test? Start Test Here. You can type your doubts in the comments section. You can also suggest improvements to the above tutorial. Homepage Tutorials. Tags: Boats and Streams Problems.

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A boat takes 38 hours for travelling downstream from point A to point B and coming back to point C midway between A and B. If the velocity of the stream is 4 kmph and the speed of the boat in still water is 14 kmph, what is the distance between A and B? A. km: B. km: C. km: D. km. Number System - Boats & Streams - In water, the direction along the stream is called Downstream. And the direction against the stream is called Upstream. The topic of Boats and Streams is very important as there are questions in almost every competitive examination from this area. The concept is easy to understand and is .

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