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

Three rings each of mass M and radius R are arranged as shown in the figure. The moment of inertia of the system about YY¢ will be

Four rings each of mass M and radius R are arranged as shown in the figure. The moment of inertia of the system about YY' will be

Four rings each of mass M and radius R are arranged as shown in the figure. The moment of inertia of the system about YY' will be

Three spheres, each mass M and radius R, are arranged as shown in the figure . The moment of inertia of the system 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

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 M and radius R are arranged according to the figure. The moment of inertia of this system about an axis XX' on its plane would be

Three rings each of mass M and radius R are arranged according to the figure. The moment of inertia of this system about an axis XX' on its plane would be

Three point masses are arranged as shown in the figure. Moment of inertia of the system about the axis OO' is

Three point masses are arranged as shown in the figure. Moment of inertia of the system about the axis OO' is