Question

14. The radius of a metallic spherical ball is 3cm. It is melted and recast into spherical balls
each of radius 0.75cm. Find the number of small balls so formed.​

Answer 1

Answer:

4 small balls can be formed

Step-by-step explanation:

The No. of small balls is n

Radius is 3 cm of the original ball

and 0.75 of the Small balls.

Basically, by how many times you have to Multiply the Balls of . 75cm to get 3cm of radius

Therefore, .75 x n = 3

n=4

Answer 2

Step-by-step explanation:

14. The radius of a metallic spherical ball is 3cm. It is melted and recast into spherical balls

each of radius 0.75cm. Find the number of small balls so formed.