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If the speed of a boat in still water is 20km...

This question belongs to Arithmetic Ability Boats And Streams
Boats and Streams
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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?

Answer & Solution
Correct Answer: Option C
Relative speed = 20 + 5 = 25 km/hr
Time = $$\frac{{100}}{{25}}$$ = 4 hours
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