The downstream speed of a boat is 20 km/hr and the speed of the curren – McqOptions

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1.	The downstream speed of a boat is 20 km/hr and the speed of the current is 5 km/hr. What is the total time (in hours) taken by the boat to cover 40 km upstream and 60 km downstream?
A.	6
B.	7
C.	8
D.	9
Answer» C. 8

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