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Are we heading upstream or downstream? � THE CHART ROOM A motor boat can travel 30 km upstream and 28 km downstream in 7 hours. It can travel 21 km upstream and return in 5 hours. Find the speed of the boat in still water and the speed of the stream. pair of linear equations in two variables. A boat takes 2 hours to travel 24 miles downstream and 3 hours to travel 18 miles upstream Assign variables and translate information The boat traveling downstream and the following variables for the rates: Speed of the boat. Distance covered upstream in 9 hrs 48 min = Distance covered downstream in 7 hrs (X-Y) 49/5 = (X+Y) 7 X/Y = 1/6 A boat can travel 20 km downstream in 24 min. The ratio of the speed of the boat in still water to the speed of the stream is 4: 1. How much time will the boat take to cover 15 km upstream? A. 20 mins B. 22 mins C. 25 mins.
Thus:

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Though the couple of boat travelling upstream and downstream mac ago, cedar-skinned boats to a ultimate honeycomb boats.

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Example 5: A person challenged himself to cross a small river and back. If it took him 30 min more to cover the distance upstream than downstream then, find the width of the river. If a boat takes t hours to row to a place and return back, then the distance between the two places can be estimated through. If in a river running at 1.

Sol To solve this question we will simply use the formula given above. In this case, t is 50 minutes b is 1. The above examples are just few simple and basic application of the methods stated along with them. These formulas can come in handy and can save lot of your time in exam. You can find questions and problems involving simultaneous use of more than one formula at times. But if you know the correct utilization of them you can solve any problem easily.

And, this smoothness comes with practice so the more you varied questions you try the more you will learn and become better at solving them. So, keep practicing! Enroll Now Rs. Your email address will not be published. This site uses Akismet to reduce spam. Learn how your comment data is processed. Downstream : It means moving along in the direction of the flow of the stream. There can also be other questions in calculation of time and some of them can be easily be solved using the formulas given below.

Let d the distance. Sol This question requires direct use of the formula mentioned earlier. Average Speed-based question: As the name tells, we need to calculate the average speed of the boat while you are upstream and downstream speed.

Now we are in stage of using the average speed formula. Distance based question: In these kind, you have to calculate distance travelled by the boat when time, speed of still water and stream is given. So in case of downstream the speeds will be added, Boat Travelling Upstream And Downstream Of while in case of upstream the speeds will be subtracted. The speed of boat downstream is equal Boat Upstream And Downstream Formula Mac to the sum of the speed of the boat in still water and speed of the stream. The speed of boat upstream is equal to the difference of the speed of the boat in still water and speed of the stream.

Python3 Python3 program to find upstream and downstream speeds of a boat. Skip to content. Related Articles. Last Updated : 20 Mar, Python3 program to find upstream.

Speed of the boat in still water B. This code is contributed by Anant Agarwal. Recommended Articles.

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