A body weighs 63 kg-wt on the surface of...

A body weighs 63 kg-wt on the surface of earth. Its weight on the surface of Mars will be (Mass of Mars =`1/9` mass of earth, Radius of 9 Mars =`1/2` Radius of earth)

A

25 kg-wt

B

28kg-wt

C

30kg-wt

D

40kg-wt

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The correct Answer is:

B

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