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A sailor goes 8 km downstream in 40 m...

A sailor goes 8 km downstream in 40 minutes and returns in 1 hours. Determine the speed of the sailor in still water and the speed of the current.

A

20 km/h, 10 km/h

B

10 km/h, 2 km/h

C

10 km/h, 5 km/h

D

2 km/h, 12 km/h

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The correct Answer is:
B
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