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A thin disc of mass 9M and radius R from...

A thin disc of mass 9M and radius R from which a disc of radius R/3 is cut shown in figure. Then moment of inertia of the remaining disc about O, perpendicular to the plane of disc is -

A

`4MR^(2)`

B

`(40)/(9) MR^(2)`

C

`10 MR^(2)`

D

`(37)/(9) MR^(2)`

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The correct Answer is:
A
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