A man can row at 5km/h in still water. If the river is running at 1km/h,...

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A man can row at 5km/h in still water. If the river is running at 1km/h, it takes him 75 minutes to row to a place and back. How far is the place? 1) 4.2 km 2) 4 km 3) 2.5 km 4) 3 km 5) None of these A man can row at 5km/h in still water. If the river is running at 1km/h, it takes him 75 minutes to row to a place and back. How far is the place? 1) 4.2 km 2) 4 km 3) 2.5 km 4) 3 km 5) None of these A man can row at 5km/h in still water. If the river is running at 1km/h, it takes him 75 minutes to row to a place and back. How far is the place? 1) 4.2 km 2) 4 km 3) 2.5 km 4) 3 km 5) None of these

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