A man can row at 5 kmph in still water. If the velocity of current is 1 km/hr and it takes him 1 hour to row to place and come back, how is the place?

• ক 1.4 km
• খ 5 km ✅ সঠিক উত্তর
• গ 3.4 km
• ঘ 3.0 km