From a disc of radius R and mass M, a circular hole of diameter R

From a disc of radius R and mass M, a circular hole of diameter R, whose rim passes through the centre is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis, passing through the centre?
(a) 9MR2/32
(b) 15 MR2/32
(c) 13 MR2/32
(d) 11 MR2/32

Anurag Mishra Professor Asked on 2nd May 2016 in Physics.
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    Answer: 13 MR^2/32 

    Anurag Mishra Professor Answered on 6th May 2016.
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