Ritu can row downstream 20 km in 2 hours and upstream 4 hours. She rows 10 km downstream and returns in 6 hours. Find her speed of rowing in still water and the speed of stream.
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Therefore, the speed of Ritu in still water is 6 km/hr and the speed of the current is 4 km/hr. Hence option (D). Speed of rowing in still water: 6 km/hr and the speed of the current: 4 km/hr is the correct answer.
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