A large new sphere is made by melting two metal sphere of radii `r_(1) "unit and" r_(2)` unit respectively. Find the radius of the large sphere.

A large sphere is made by melting two gold - spheres of raii r and r respectively . Find the radius of the large sphere. [(volume of sphere ) prop (radius )^3 ]

If a solid large sphere is made by melting three small gold-sphere of radii 3 mm , 4mm, and 5mm, then what will be the radius of the large sphere?

If a solid metal-sphere id made by melting two metal hemisphere of diameter 8cm and 12cm, then what will be the radius of the large metal-sphere?

two metal spheres of radii R_(1) and R_(2) are charged to the same potential. The ratio of charges on the spheres is

Three spheres of radii 3cm,4cm and 5cm are melted to form a new sphere.Find the radius of the new sphere.

The volume of a solid sphere of radius 2r units is

If three smaller sphrer are made by melting a solid metal sphere of radius of 6cm. If the ratio of the radii of the smaller spheres be3:4:5, then find the diameters of three smaller spheres.

How many metal sphere of radius 5 mm can be made by melting a metal sphere of radius 10 cm ?

Metallic spheres of radii 6cm, 8cm and 10cm respectively are melted to form a solid sphere. Find the radius of the resulting sphere.