It is given that the speed of a boat in still water is 15 km/h. Now, Speed of the boat upstream = Speed of the boat in still water ? Speed of the stream = (15 ? x) km/h Speed of the boat downstream = Speed of the boat in still water + Speed of the stream = (15 + x) km/h We know that Time=Distance/Speed. Dec 27, �� "The speed of a boat in still water is 15 km/hr. It can go 30 km upstream and return downstream to the original point in 4 hours 30 minutes. Find the speed o. Answered. The speed of a boat in still water is 11 km/hr. It can go 12 km upstream and return downstream to the original point in 2hrs 45 min. Find the speed of the stream.
Class It can go 30 km upstream and return downstream to the original point in 4 hours 30 minutes. If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 kmph, then the speed of the boat in still water is. Speed of Sound Propagation. Answer: Option A Explanation: It is very important to check, if the boat speed given is in still water or with water or against water.
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