Find the total distance covered by boat in each upstream and downstream in 7 hours if the speed of boat in still water and speed of current is 25 km/h and 5 km/h respectively?
Speed in upstream = 25 – 5 = 20 km/hr Speed in downstream = 25 + 5 = 30 km/hr Required total distance= (20 + 30) × 7 = 350 km
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