From a uniform square plate of side a and mass `m`, a square portion DEFG of side `(a)/(2)` is removed. Then, the moment of inertia of remaining portion about the axis AB is

Four holes of radius R are cut from a thin square plate of side 4 R and mass M . The moment of inertia of the remaining portion about z-axis is : .

Four holes of radius R are cut from a thin square plate of side 4 R and mass M . The moment of inertia of the remaining portion about z-axis is : .

A square plate of edge a//2 is cut out from a uniform square plate of edge 'a' shown in figure. The mass of the remaining portion is M . The moment of inertia of the shaded portion about an axis passing through 'O'( centre of the square of side a) and perpendicular to plane of the plate is :

A square plate of edge a//2 is cut out from a uniform square plate of edge 'a' shown in figure. The mass of the remaining portion is M . The moment of inertia of the shaded portion about an axis passing through 'O'( centre of the square of side a) and perpendicular to plane of the plate is :

In the figure shown a semicircular area is removed from a uniform square plate of side l and mass ‘m’ (before removing). The x-coordinate of centre of mass of remaining portion is (The origin is at the centre of square)

In the figure shown a semicircular area is removed from a uniform square plate of side l and mass ‘m’ (before removing). The x-coordinate of centre of mass of remaining portion is (The origin is at the centre of square)