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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?
5Q:
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?
- 13 km/hr.false
- 22 km/hrfalse
- 35 km/hrtrue
- 44 km/hrfalse
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