The speed of a boat in still water is 15km/hr and the rate of the current is 3km/hr. Distance travel downstream in 12 minutes.
manamperi344:
What is the direction of the current?
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speed of boat in still water =15km/hr
and speed of current =3km/hr
therefore speed of boat downstream=15+3=18km/hr
and time taken =12min =12/60=0.2hr
distance covered =speed×time=18×0.2=3.6km
and speed of current =3km/hr
therefore speed of boat downstream=15+3=18km/hr
and time taken =12min =12/60=0.2hr
distance covered =speed×time=18×0.2=3.6km
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