A boat takes 3 hours to travel from place M to N downstream and back from N to M upstream. If the speed of the boat in still water is 4 km, what is the distance between the two places ?

A boat takes 3 hours to travel from place M to N downstream and back f

1.	A boat takes 3 hours to travel from place M to N downstream and back from N to M upstream. If the speed of the boat in still water is 4 km, what is the distance between the two places ?
A.	8 km
B.	12 km
C.	6 km
D.	Data inadequate
Answer» E.

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