Three rings, each of mass P and radius Q...

Three rings, each of mass P and radius Q are arranged as shown in the figure. The moment of inertia of the arrangement about YY' axis will be

`sqrt(2I_(AC))=I_(EF)`

`I_(AD)=EI_(EF)`

`I_(AD) = 4 I_(EF)`

`I_(AC)=sqrt(2I_(EF))`

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