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A circular disc of diameter d and a squa...

A circular disc of diameter d and a square plate of side d are placed as shown in fig. The centre of mass of this combination from centre of disc is (both the object are having same mass per unit area):

A

`(4d)/(4+pi)`

B

`(4d)/(3+pi)`

C

`(2d + 3pi)/(4+pi)`

D

`(3d + 7pi)/(4+pi)`

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The correct Answer is:
A
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