Two solid cylinders P and Q of same mass and same radius start rolling down a fixed inclined plane from the same height at the same time. Cylinder P has most of its mass concentrated near its surface, while Q has most its mass concentrated near the axis. Which statement(s) is (are) correct?

Two cylinders P and Q of same mass and same radius start rolling down a fixed inclined plane from the same height at the same time. Cylinder P has most of its mass concentrated near its surface, while Q has most of its mass concentrated near the axis. Choose the correct statement regarding the motion of P and Q

If a solid sphere, disc and cylinder are allowed to roll down an inclined plane from the same height

A solid sphere, solid cylinder and a disc are allowed to roll down from the top of an incline plane from the same height. Then