Three metallic spheres of radius 3 cm, 6 cm, 9 cm are melted into a si – 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 cm<sup>3</sup>
B.	4071.48 cm<sup>3</sup>
C.	1520 cm<sup>3</sup>
D.	1869.4 cm<sup>3</sup>
Answer» C. 1520 cm<sup>3</sup>

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