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Metallic spheres of radii 7 cm, 9 cm and...

Metallic spheres of radii 7 cm, 9 cm and 11 cm respectively are melted to form a single solid sphere. The radius of the resulting sphere is

A

10 cm

B

`8.6` cm

C

`11.5` cm

D

`13.39` cm

Text Solution

Verified by Experts

The correct Answer is:
D
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