WebbSimran takes twice as long to swim up as to swim down the river and has a speed of 12 km/hr in still water. What is river’s speed? A. 6 km/hr; B. 3 km/hr; C. 8 km/hr; D. 4 km/hr; Answer: D. No answer description available for this question. No comment is present. Be the first to comment. Webb8 mars 2024 · Simran takes twice as long to swim up as to swim down the river and has a speed of 12 km/hr in still water. What is rivers speed? See answer Advertisement ItsUDIT …
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Webbit takes him twice as long to row up as to row down the river. FORMULA USED: Upward speed = Speed of man − Speed of water. Downward speed = Speed of man + Speed of water. Speed = Distance/ Time. CALCULATION: Let the speed of the current be x km/hr. Thus upward speed = (6 − x) km/h. and downward speed = (6 + x) km/hr. Let distance … WebbQ: A man went downstream for 28 km in a motor boat and immediately returned. It took the man twice as long to make the return trip. If the speed of the river flow were twice as high, the trip downstream and back would take 672 minutes. Find the speed of the boat in still water and the speed of the river flow. A) 12 km/hr, 3 km/hr. scoot abq
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Webb14 aug. 2015 · Time = Distance / Speed. Let us take a look at some simple examples of distance, time and speed problems. Example 1. A boy walks at a speed of 4 kmph. How much time does he take to walk a distance of 20 km? Solution. Time = Distance / speed = 20/4 = 5 hours. Example 2. A cyclist covers a distance of 15 miles in 2 hours. WebbIt takes him twice as long to row up as to row down the river. Find the rate of stream. A). 4 km/h : B). 18 km/h : C). 8 km/h : D). 15 km/h -- View Answer: 4). A boat goes 12 km in 1 h in still water. It takes thrice time in covering the same distance against the current. Find the speed of the current. A). 8 km/h : WebbQ. Simran takes twice as long to swim up as to swim down the river and has a speed of 12 km/hr in still water. What is river’s speed? - Published on 07 Jul 17 scoot about meaning