If the density of the earth is doubled keeping its radius constant then acceleration due to gravity will be `(g=9.8 m//s^(2))`

If the density of the earth is tripled keeping its radius constant, then acceleration due to gravity will be (g=9.8 m/s^2)

If the density of the earth is doubled, by keeping it’s radius constant, then what will be the acceleration due to gravity ?

If the density of the planet is double that of the earth and the radius 1.5 times that of the earth, the acceleration due to gravity on the planet is