Question
Find the total distance covered by boat in each upstream
and downstream in 4 hours if the speed of boat in still water and speed of current is 15 km/h and 4 km/h respectively?Solution
Speed in upstream = 15 – 4 = 11 km/hr Speed in downstream = 15 + 4 = 19 km/hr Required total distance= (11 + 19) × 4 = 120 km
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