The volume of a right circular cone is 1232 cm³ and its height is 24 cm. Find the radius of its base. (Take π = 22/7)

A solid metallic sphere of radius 6 cm is melted and recast into small cones, each of radius 2 cm and height 3 cm. Find the number of cones formed.

Find the volume of a sphere of radius 21 cm. Take π = 22/7.

Find the total surface area of a cone of radius 7 cm and slant height 25 cm. Take π = 22/7.

Find the curved surface area and the total surface area of a hemisphere of radius 7 cm. Take π = 22/7.

A cone has radius 7 cm and height 24 cm. Find its slant height, its curved surface area and its volume. Take π = 22/7.

A cone, a hemisphere and a cylinder stand on equal bases and have the same height. Write the ratio of their volumes.