If the mass of a planet is 10% less than...

If the mass of a planet is `10%` less than that of the earth and the radius is `20%` greater than that of the earth, the acceleration due to gravity on the planet will be

5/8 times that on the surface of the earth

3/4 times that on the surface of the earth

1/2 times that on the surface of the earth

9/(10) times that on the surface of the earth

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