AP Police Constable Mains 17 Mar 2019 Solved Paper

The perimeters of the bases of a cylinder, a cone and a hemisphere are each equal to 22 cm. The cone and the hemisphere are attached to the circular ends of the cylinder on its top and bottom respectively. If the height of the cylinder is 6.5 cm and the total height of the structure is 12.8 cm, then the volume (V) of the entire structure (in cm) is approximately