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

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1.	The downstream speed of a boat is 20 km/hr and the speed of current is 5 km/hr. What is the total time (in hours) taken by the boat to cover 80 km upstream and 100 km downstream?
A.	6
B.	13
C.	10
D.	12
Answer» C. 10

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