The speed of boat upstream and speed of boat down stream are 7km/h and – McqOptions

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1.	The speed of boat upstream and speed of boat down stream are 7km/h and 13km/h respectively. What is the speed of boat in still water and speed of stream?
A.	10 km/h and 3km/h
B.	15 km/h and 9km/h
C.	20 km/h and 6km/h
D.	40 km/h and 12km/h
Answer» B. 15 km/h and 9km/h

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