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Three spherical balls of radius 2 cm, 4 ...

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?

A

6

B

8

C

12

D

16

Text Solution

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The correct Answer is:
A
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