Boats and Streams is an essential topic for many competitive exams. Many varieties of baot can be framed from this area. We use the fundamental concepts of time speed and distance only to solve elementary questions on Boats and Streams. However, some types of questions are tricky and take lots of time to solve by applying textbook approach. Fortunately, there are some shortcut formulas available to handle such problems.
In this article, besides an yearx of the basic concepts of boat sand streams, we will also learn few tricks to solve some exceptional questions. Some shortcut formulas related to the speed of boats and streams is handy as we require them frequently. Below are the lists of the formulas:. Question 1: A boat is rowed down a river 28 km in 4 hours and up xnd river 12 km in 6 hours. Find the speed of the boat and the river. Question 2: A man rows 18 km down a river in 4 hours dor the stream and returns in 12 hours.
Find his speed and also the speed of the stream. Question The speed of the boat in boat and stream formula for bank exam years still water is 6 kpmh, and the speed of the stream is 2 kmph. The boat goes a certain distance down the stream and comes back upstream to the same place from where it started. Find the average speed of the boat in the entire journey.
Average Speed. Important: If the boat fod t down and t up respectively to booat same downstream and upstream distance, then we the following relation:. Question 4: A boat takes 6 hours to go downstream and comes back upstream in 12 hours. Find the ratio of the speed of the boat and the speed of the stream.
Question 5: A bani rows 10 km upstream and back again to the starting point in 55 boat and stream formula for bank exam years. If the speed of the stream is 2 kmph, then find the speed of the boat in still water.
It takes 15 hr to babk its destination and return back if river has no flow. For the same journey it takes 16 hr if river is flowing. Find speed of flow of river. Your email address will not be published. Skip to content Boats and Streams is an essential topic for many competitive exams. Boats and Streams � Terminologies: Stream: It implies that the boat and stream formula for bank exam years in the river is moving or flowing.
Standard Method: Let one side the distance be d km. Therefore, the average speed of the boat Shortcut Formula: Average Speed Finding the ratio of speeds of the boat and the stream Important: If the boat takes t down flrmula t up respectively to travel same downstream and upstream distance, then we the following relation: Question 4: A boat takes 6 hours to go downstream and comes back upstream in 12 hours.
Standard Method: Let the common distance be d km. Finding the total time of the journey. Shortcut Formula: Let bboat speed of the boat in still water be x kmph.
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