Question

Metallic sphere of radius 2 cm, 3 cm and 5 cm respectively are melted to form a solid sphere. Find the radius of the resulting sphere.​

Answer 1

Answer:

Volume of spere with radius 2cm=4/3πr^3

= 33

Volume of spere with radius 3cm=4/3πr^3

=113

Volume of spere with radius 5cm=4/3πr^3

= 523

Volume of resulting sphere=669

Radius of resulting sphere=5.43cm