A solid lead ball of radius 7cm was melted and then drawn into a wire of diameter 0.2cm. Find the length of the wire.

The diameter of a sphere is 6cm. It is melted and drawn into a wire of diameter 0.2 cm. Find the length of the wire.

The diameter of a sphere is 6 cm. It is melted and drawn into a wire of diameter 0-2 cm. Find the length of the wire.

The radius of a metallic sphere is 60 mm .It is melted and recast in to wire of diameter 0.8 mm .Find the length of the wire.

A cubic cm of gold is drawn into a wire 0.1 mm in diameter, find the length of the wire.

A solid metallic right circular cone 20 cm high with vertical angle 60o is cut into two parts at the middle point of its height by a plane parallel to the base. If the frustum, so obtained, be drawn into a wire of diameter 1/(16)\ c m , find the length of the wire.

A solid metallic right circular cone 20 cm high with vertical angle 60o is cut into two parts at the middle point of its height by a plane parallel to the base. If the frustum, so obtained, be drawn into a wire of diameter 1/(16)\ c m , find the length of the wire.

A solid sphere of radius 1cm is melted to stretch into a wire of length 100 cm. Find the radius of the wire.

(i) The radius of a metallic sphere is 3 cm .It melted and recast in to wire of diameter 0.4 cm Find the length of wire. (ii) An iron ball oif radius 4 cm is melted .How many small spheres of radus 2 cm can be formed from the material?

A solid sphere of radius 3cm is melted and then cast into small spherical balls each of diameter 0.6cm. Find the number of balls thus obtained.

A solid sphere of radius 3cm is melted and then cast into small spherical balls each of diameter 0.6cm. Find the number of balls thus obtained.