Question
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 21 km/h and 5 km/h respectively?Solution
Speed in upstream = 21 – 5 = 16 km/hr Speed in downstream = 21 + 5 = 26 km/hr Required total distance= (16 + 26) × 7 = 294 km
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