The speed of a boat in still water 11 km/hr. It can go 12 km upstream and return downstream to the engine point in 2hr 45min. What is the speed of stream?

The speed of a boat in still water 11 km/hr. It can go 12 km upstream

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

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The speed of a boat in still water 11 km/hr. It can go 12 km upstream and return downstream to the engine point in 2hr 45min. What is the speed of stream?

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