Two men with weights in the ratio 3 : 2 ...

Two men with weights in the ratio 3 : 2 run up a staircase in times in the ratio 7 : 4. The ratio of power of first to that of second is :-

A

`(21)/(8)`

B

`3/2`

C

`6/7`

D

`7/6`

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The correct Answer is:

C

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