Three metallic spheres of radius 3 cm, 6 cm, 9 cm are melted into a s – McqOptions

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1.	Three metallic spheres of radius 3 cm, 6 cm, 9 cm are melted into a single sphere. Find the radius of the resulting sphere.
A.	109.4 cm3
B.	4071.48 cm3
C.	1520 cm3
D.	1869.4 cm3
Answer» C. 1520 cm3

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