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A man can swim in still water at a speed...

A man can swim in still water at a speed of 6 kmph and he has to cross the river and reach just opposite point on the other bank. If the river is flowing at a speed of 3 kmph, and the width of the river is 2 km, the time taken to cross the river is (in hours)

A

`(3)/(4), (9)/(4)`

B

`(3)/(5), 3`

C

`(1)/(4), (15)/(4)`

D

`(3)/(sqrt(7)), 7`

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The correct Answer is:
A
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A man can swim in still water at a speed of 6 kmph and he has to cross the river and reach just opposite point on the other bank. If the river is flowing at a speed of 3 kmph, he has to swim in the direction

A man can swim in still water at a speed of 6 kmph and he has to cross the river and reach just opposite point on the other bank. If the river is flowing at a speed of 3 kmph, he has to swim in the direction

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