Three cubes each of volume 216 cm^3 are joined end to end. Find the surface area of the resulting cuboid.

Two cubes each of volume 125 cm^3 are joined end to end. Find the surface area of the resulting cuboid.

Two cubes each with side b are joined to form a cuboid. What is the surface area of this cuboid? Is it 12b^2 ? Is the surface area of cuboid formed by joining three such cubes, 18b^2 ? Why?

Find the volume and the surface area of a sphere of radius 5.6 cm.

From a solid cylinder whose height 8 cm and radius 6 cm, a conical cavity of height 8 cm and a base radius 6 cm is hollowed out. Find the volume of the remaining solid. Also find the total surface area of the remaining solid.

The slant height of a frustum of a cone is 4 cm and the perimeter (circumference) of its circular ends are 18 cm and 16 cm. Find the curved surface area of the frustum.

The slant height of a frustum of a cone 4 cm and the perimeters(circumferences) of its circular ends are 18 cm and 6 cm.Find the curved surface area of the frustum.

Three solid metallic cubes of edges 6 cm.,8 cm.and 10 cm.respectivelt are melted to form a new cube.Find the volume and the surface area of the newly formed cube.

In a cuboidal solid metallic block of dimension 15 cm xx 10 cm xx 5 cm , a cylindrical hole of diameter 7 cm is drilled out. Find the volume and surface area of the remaining block (pi=22/7) .

The amount of cubic units of the volume of a sphere is double the amount of whole surface area of the same in square unit. Find the radius of the sphere.