Three spheres made of copper having the lengths of 3 cm. 4 cm and 5 cm radii are melted and large sphere is made Calculate the length of radius of large sphere.

There sphere made of copper having the lengths of 3cm, 4 cm and 5 cm radii are melted and a large sphere is made. Calculate the length of diamter of the large sphere.

Three spheres made of copper having of 3 cm, 4cm and 5cm radii are melted and a large sphere is made.Calculate the lenghth of the large sphere.

Three spheres made of copper having the lengths of 6cm, 8 cm and 10 cm diameters are melted and a large sphere is made. Calculate the length of diameter of a large sphere.

Volume of a sphere varies directly with the cube of its radius. Three solid spheres having length of 1""1/2,2and 2""1/2 metres diameter are melted and a new sphere is formed . Find the length of diameter of the new sphere. [Consider that the volume of sphere remains same before and after melting ]

How many marbles with lengths of 3.5 cm radius may be formed by melting a solid sphere having 14 cm length of radius.

The curved surface area of a solid sphere is equal to the surface area of a solid right circular cylinder. The lengths of both height and diameter of cylinder are 12 cm . Find the length of radius of the sphere.

Two hollow sphere with the lenghts of diameter 21 cm and 17.5 cm respectively are made from the sheets of the same metal, Calculate the ratio of the curved surface areas of the two hollow sphere.

Three metallic spheres of radii 6 cm, 8 cm and 10 cm respectively are melted together to form a single solid sphere. Find the radius ofthe resulting sphere.