A person can row 8km upstream and 24km downstream in 4hrs. he can row 12km downstream
and 12km upstream in 4hrs.Find speed of the person in still water and speed of current.
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Answer:
rate downstream = 24/4 =6km/hr
rate upstream = 8/4 = 2 km/ hr
speed in still water = (6+2) /2 =4km/hr
speed of current = (6-2) /2 =2km/hr
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