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A sphere and a cube having same volume a...

A sphere and a cube having same volume and height of cube is equal to the radius of the sphere placed on a horizontal surface. What is the ratio of the heights of their centre of gravities from the surface?

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The heights of the centre of gravity of the sphere and cube from their respective base are
`h and (h)/(2) rArr (h)/underset(2)underset(-)(h)=(2)/(1)`
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