A body weighs 700 gm-wt on the surface o...

A body weighs 700 gm-wt on the surface of the earth. How much will it weigh on the surface of a planet whose mass is `1/7` and radius is half that of the earth?

`200 g-wt`

`400 g-wt`

`50 g-wt`

`300 g-wt`

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