Three spherical metal balls of radii 5, 8 and R cm are melted into a solid sphere of radius 12 cm. The value of R is:

Three spherical metal balls of radii 5, 8 and R cm are melted into a s

1.	Three spherical metal balls of radii 5, 8 and R cm are melted into a solid sphere of radius 12 cm. The value of R is:
A.	8
B.	10
C.	14
D.	18
E.	None of these
Answer» C. 14

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Three spherical metal balls of radii 5, 8 and R cm are melted into a solid sphere of radius 12 cm. The value of R is:

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