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The speed of a boat in still water is 10 km
depending on the direction of u remember at a certain time v will have to travel against u so hence uto even b possible because if u wuz >myboat015 boatplans the boat would not b able to oppose the current. 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 distance between A and B is 16 km.) A. 5 km/hr. B. 3 km/hr.� Q A man rows �k� km upstream and back again downstream to the same point in H hours. The speed of rowing in still water is s km/hr and the rate of stream is r km/hr. Then. A. (s2-r2) =2sk /H. B. (r + s) = kH / (r -s). C. rs = kH. D. None of the above. Answer & Explanation. Sol: Option A Time taken to cover total distance = H hrs. Speed of upstream = s - r. Speed of downstream = s + r. ? k / (s + r) + k / (s - r) = H ?(s2-r2) =2sk /H. Must Read Boat and Streams Articles. Boats and Streams: Concepts and Theory. Write a program to determine speed of the boat in still water(B) given the speed of the stream(S in km/hr), the time Speed Of The Boat In Still Water Guide taken (for same point) by the boat upstream(T1 in hr) and downstream(T2 in hr). Examples: Input: T1 = 4, T2 = 2, S = 5 Output: B = Input: T1 = 6, T2 = 1, S = 7 Output: B = Recommended: Please try your approach on {IDE} first, before moving on to the solution. Prerequisite: Speed of boat upstream and downstream. Speed of boat in still water can be computed using below formula. B = s*((T1 Speed Of The Boat In Still Water Formula Utility + T2) / (T1 � T2)). How does this formula work? Since the point is same, distan.

Type 1 : Speed of boat in still water and speed of stream are given separately. Correct answer : b Hint: The Speed Of The Boat Still Water Modeling In downstream, water stream increases the speed of boat as they both are along the same directions. Hence, both the speeds are added. Find a speed of stream b speed of boat in still water.

Find the distance covered by the boat between two points. Next Page �. If there's no mention of stream speed in the question, assume it to be the speed of boat in still water. So, water stream increases the speed of boat. Hence, speeds are added while going downstream. So, water stream decreases the speed of boat due to opposite flow. Hence, speeds are subtracted while going upstream.

If you just remember this concept, you won't need to remember and recall the above formula while solving the problems. Halving this would give you the speed of the current. Once you know how to deal with these 4 types of problems, the chapter should be an easy one for you. Question Variety: Type 1 : Speed of boat in still water and speed of stream are given separately. Alligation or Mixtures - Aptitude test, questions, shortcuts, solved example videos Alligation or Mixtures - Quantitative aptitude tutorial with easy tricks, tips, short cuts explaining the concepts.

Online aptitude preparation material with practice question bank, examples, solutions and explanations. Very useful for freshers, engineers, software developers taking entrance exams.

Learn and take practice tests! Problems on Trains - Aptitude test, questions, shortcuts, solved example videos Problems on Trains - Quantitative aptitude tutorial with easy tricks, tips, short cuts explaining the Speed Of The Boat In Still Water Is 15 Kilometre Per Hour Guitar concepts. Time and Distance - Aptitude test, questions, shortcuts, solved example videos Time and Distance - Quantitative aptitude tutorial with easy tricks, tips, short cuts explaining the concepts.

F and L. Find a speed of stream b speed of boat in still water Examples: Q 3. What would be the speed of swimmer in still water? Examples: Q 5. What would be the average speed of boat during the journey? Examples: Q 7.

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