A rowing team rows a boat and covers a distance of 15 km in 5 hours while going upstream. When they go downstream, they cover a distance of 24 km in 4 hours. Find the speed of the boat in still water?
A5 km/h
B4.5 km/h
C3.5 km/h
D1.5 km/h
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The speed of a boat is 10 km/h in still water. It covers a distance of 90 km in 15 hours going upstream. What is the speed of the stream?
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ഒഴുക്കിനൊപ്പം ഒരു ബോട്ടിന്റെ വേഗം 13 കി. മീ. ആണ്. ഒഴുക്കിന്റെ വേഗം 2.5 കി. മീ. ആയാൽ ഒഴുക്കിനെതിരെ ബോട്ടിന്റെ വേഗം എന്ത് ?