From a circular disc of radius `R`, another disc of diameter `R` is removed. Locate `c.m.` of the remaining portion.

From a thin uniform disc of radius 2R . Another disc of diameter 2R is removed. The mass of the remaining portion is m . Find the M.I. of the shaded portion about an axis passing through O and pependicular to the plane.

From a circular disc of mass M and radius R , a part of 60^(@) is removed. The M.I. of the remaining portion of disc about an axis passing through the center and perpendicular to plane of disc is

From a circular disc of mass M and radius R , a part of 60^(@) is removed. The M.I. of the remaining portion of disc about an axis passing through the center and perpendicular to plane of disc is

From a disc of radius r_(1) , a concentric disc of radius r_(2) is removed . The mass of the remaining portion is m . Find the M.I. of the remaining about an axis passing through the center of mass and perpendicular to the plane.

From a semicircular disc of radius r_(1) , another semicircular disc of radius r_(2) is removed. Find the c.m. of the remaining position.

Out of a disc of mass M and radius R a concentric disc of mass m and radius r is removed. The M.I. of the remaining part about the symmetric axis will be :

Out of a disc of mass M and radius R a concentric disc of mass m and radius r is removed. The M.I. of the remaining part about the symmetric axis will be :

From a circular disc of radius R and mass 9 M , a small disc of radius R/3 is removed from the disc. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through O is