Two identical circular plates each of mass `0.1 kg` and radius `10cm` are joined side by side as shown in figure. Their moment of inertia about an axis passing through their common tangent is

For the structure shown in figure, moment of inertia about an axis passing through yy' is

For the structure shown in figure, moment of inertia about an axis passing through yy' is

For the structure shown in figure, moment of inertia about an Axis passing through yy' is

Two identical circular plates each of mass M and radius R are attached to each other with their planes bot^r to each other. The moment of inertia of system about an axis passing through their centres and the point of contact is

Three identical solid discs, each of mass M and radius R, are arranged as shown in figure. The moment of inertia of the system about an axis AB will be

Four identical uniform thin rods, each of mass m and length l are joined to a common point O as shown in the figure. Moment of inertia of the system about an axis passing through O and lying in the plane of rods is

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

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