The speed of a boat in still water is 11 km/h. It can go 12 km upstrea – McqOptions

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1.	The speed of a boat in still water is 11 km/h. It can go 12 km upstream and return downstream to the engine point in 2 h 45 min. What is the speed of stream?
A.	4 km/h
B.	2 km/h
C.	5 km/h
D.	3 km/h
Answer» D. 3 km/h

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