the centre of the disc

the point of contact

an infinite distance on the plane surface

the point on the circumference situated vertically opposite to the contact point

the sum of the two masses is equal to the total mass of body

the centre of gravity of the two masses coincides with that of the body

the sum of mass moment of inertia of the masses about their centre of gravity is equal to the mass moment of inertia of the body

all of the above

same

opposite

zero

none of these