Question

Find the total distance covered by boat in each upstream and downstream in 8 hours if the speed of boat in still water and speed of current is 28 km/h and 10 km/h respectively?

A 420 km Correct Answer Incorrect Answer
B 416 km Correct Answer Incorrect Answer
C 448 km Correct Answer Incorrect Answer
D 450 km Correct Answer Incorrect Answer
E 480 km Correct Answer Incorrect Answer

Solution

Speed in upstream = 28 – 10 = 18 km/hr Speed in downstream = 28 + 10 = 38 km/hr Required total distance= (18 + 38) × 8 = 448 km

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