A boat running downstream covers 24 km's in 4 hours while for covering – McqOptions

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1.	A boat running downstream covers 24 km's in 4 hours while for covering the same distance upstream it takes 6 hours whats the speed of the boat in still water?
A.	3.5km/hr
B.	5.5 km/hr
C.	6 km/hr
D.	None of these
Answer» E.

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