If the speed of a boat in still water is 20km/hr and the speed of the current is 5km, then the time taken by the boat to travel 100 km with the current is?
A. 2 hours
B. 3 hours
C. 4 hours
D. 7 hours
Answer: Option C
Solution (By Examveda Team)
Relative speed = 20 + 5 = 25 km/hrTime = $$\frac{{100}}{{25}}$$ = 4 hours
This Question Belongs to Arithmetic Ability >> Boats And Streams
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