Mensuration 3D

If the radius of a sphere is increased by 50%, then its surface area will increase by: ...

The volume of a cylinder with a base radius of 3 cm is 396 cm³. Find its curved surface area (in cm²). ...

An ice cream is in the form of a cone surmounted by a hemisphere. If the base radius of the cone is 3.5 cm and the heigh...

The ratio of the base radii of a cylinder and a cone is 3:4, and their heights are in the ratio 2:3. Then the ratio of ...

The volumes of two cubes are in the ratio 8:27. The ratio of their surface areas is:...

A solid hemisphere of radius 24 cm is melted, and identical cones, each of base radius 8 cm and height 6 cm, are formed....

A capsule of medicine is in the shape of a sphere of diameter 2.8 mm. How much medicine is needed to fill this capsule ...