Question

A cone of height 'h' and radius 'r' is surmounted on a solid cylinder of same dimensions. The total surface area of the entire solid will be :

A hemispherical depression is scooped out from the top face of a wooden cubical block of side 14 cm. If the diameter of the hemisphere is equal to the side of the cube, find the total surface area of the remaining solid block. (Use π = 22/7)

From a solid wooden cylinder of height 10 cm and radius 14 cm, a cylinder of radius 7 cm and height 5 cm is scooped out to form a cavity inside the solid cylinder. Find the total surface area of the remaining solid.

A solid toy is in the form of a hemisphere surmounted by a right circular cone of same radius. The height of the cone is 2 cm and the diameter of the base is 4 cm. Find the volume of the toy.