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A motorboat takes 2 hours to travel a di...

A motorboat takes 2 hours to travel a distance of 9 km down the current and it takes 6 hours to travel the same distance against the current. What is the speed of the boat in still water in kmph?

A

3 km/h

B

5 km/h

C

2 km/h

D

None of these

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The correct Answer is:
A
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