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A solid sphere of uniform density and ra...

A solid sphere of uniform density and radius 4 units is located with its centre at the origin O of coordinates. Two sphere of equal radii 1 unit, with their centres at A(-2,0 ,0) and B(2,0,0) respectively, are taken out of the solid leaving behind spherical cavities as shown if fig Then:

A

`(31GM)/(1024)`

B

`(21GM)/(1024)`

C

`(11GM)/(1024)`

D

`(GM)/(3124)`

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The correct Answer is:
A
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