Boats and Streams - Aptitude Questions and Answers Sep 13, �� If in the question, you are provided with the upstream and the downstream speed U and D respectively, to determine the speed of boat and stream the formula goes like Speed of boat B = (D + U) / 2 Speed of stream S = (D - U) / 2 Also, always have with you the basic speed formula, Question: In still water, the speed of the boat is 7 km/hr. Find out the downstream speed of Boat And Stream Questions In Bengali Work Boat And Stream Questions In Bengali Work a boat in the river whose speed of the stream . A boat makes a return journey from point A to point B and back in 5 hours 36 minutes. One way it travels with the stream and on the return it travels against the stream. If the speed of the stream increases by 2 km/hr, the return journey takes 9 hours 20 minutes. What is the speed of the boat in still water? (The Boat And Stream Questions In Bengali Work distance between A and B is 16 km.). Let the speed of the boat = p kmph. Let the speed of the river Boat And Stream Questions In Bengali Work flow = q kmph. From the given data, 2 x 28 p + q = 28 p - q. => 56p - Boat And Stream Questions In Bengali Work 56q p - 28q = 0. => 28p = 84q. => p = 3q. Now, given that if. Hence, the speed of the boat = p kmph = 9 kmph and the speed of the river flow Boat And Stream Questions In Bengali Work Boat And Stream Questions In Bengali Work = q kmph = 3 kmph.
Thus:

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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 Boat And Stream Questions In Bengali Work on our assumptions, you can easily calculate upstream and downstream speeds as shown below. In this type, you have to form linear equations based on conditions given.

You have to solve those equations to find the answer. Example Question 5: Kavin can row 10 Boat And Stream Questions In Bengali Work 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 And Boat Work Stream In Bengali Questions water.

Solution: You have to make below assumptions Boat And Stream Questions In Bengali Work to form equations. You already know the Boat And Stream Questions In Bengali Work below equation. If you are not clear about this, refer to the equation in type 3. Note: To solve such linear equations, there is another simple shortcut. Here is the Boat And Stream Questions In Bengali Work video link to that shortcut.

From the values of u and v, you can find the downstream and upstream speeds as shown Boat And Stream Questions In Bengali Work below. Also, you know the formula for Boat And Stream Questions In Bengali Work speed of the current. Ready for short practice Boat And Stream Questions In Bengali Work Boat And Stream Questions In Bengali Work test? Hey I am Ramandeep Singh. Do you want me to help you? Login Sign Up. Formula 1: If the ratio of Boat And Stream Questions In Bengali Work downstream and upstream speeds is D: U, then ratio of time taken will be U : D. Question: A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream.

What is the ratio between the speed of the boat and speed of the water current respectively? Solution: When 8 hours 48 minutes is written using mixed fractions,. Therefore, the ratio of the time taken becomes Which on solving gives, Now, as the ratio of time is inversely proportional to that of Upstream and Downstream speeds. Now, the ratio of speed Boat And Stream Questions In Bengali Work of boat and the speed of stream will be.

How far is the place? If t1 and t2 are the upstream and Boat And Stream Questions In Bengali Work down stream times. Then time taken in still water is given by. Terms of Use. SBI Clerk. SBI PO. IBPS Clerk. Forgot Password? Popular Latest Rated. Report Error Kindly mention the details of the error Boat And Stream Questions For Competitive Exams Inc here Let the distance between A and B be x km. A 8 kmph. B 6 kmph.

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