A spherical ball of radius `r_(1)` units is melted to make 8 new identical balls each of radius `r_(2)` units. Then `r_(1) : r_(2)` is

A hemispherical solid of radius r_1 units is melted and made into 32 identical spherical balls each of radius r_2 units then r_1 : r_2 is:

A spherical metal ball of radius 8 cm is melted to make 8 smaller identical balls. The radius of each new ball is cm.

A solid metal ball of radius 8 cm is melted and cast into smaller balls, each of radius 2 cm. The number of such balls is

If a spherical steel ball is melted to make 8 new identical balls then the radius of new ball is how many times the radius of the original ball?

A solid spherical ball of radius 6 cm is melted and recast into 64 identical spherical marbles. Find the radius of each marble.

A spherical ball of radius 3 cm is melted and recast into the spherical balls. The radii of two of these balls are 1.5 cm and 2 cm. Find the radius of the third balls.

A spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of two of these balls are 1.5 cm and 2 cm. The radius of the third ball is

Three spherical balls of radius 3 cm, 2 cm and 1 cm are melted to form a new spherical ball. In this prcoess there is a loss of 25% of the material. What is the radius (in cm) of the new ball ?

Three spherical balls of radius 2 cm, 4 cm and 6 cm are melted to form a new spherical ball. In this process there is a loss of 25% of the material. What is the radius (in cm) of the new ball?