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Three metallic spherical balls of radii ...

Three metallic spherical balls of radii 3 cm, 4 cm and 5 cm are melted and recast into a big spherical ball. Find the radius of this big ball.

A

8 cm

B

7 cm

C

6 cm

D

9 cm

Text Solution

Verified by Experts

The correct Answer is:
C
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