The speed of a boat downstream is 15 km/hr and the speed of current is 3 km/hr. Find the total time taken by the boat to cover 15 km upstream and 15 km downstream.

The speed of a boat downstream is 15 km/hr and the speed of current is

1.	The speed of a boat downstream is 15 km/hr and the speed of current is 3 km/hr. Find the total time taken by the boat to cover 15 km upstream and 15 km downstream.
A.	hours 40 minutes
B.	hours 42 minutes
C.	hours 10 minutes
D.	hours 30 minutes
Answer» B. hours 42 minutes

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The speed of a boat downstream is 15 km/hr and the speed of current is 3 km/hr. Find the total time taken by the boat to cover 15 km upstream and 15 km downstream.

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