# A metallic sphere of radius 10.5 cm is melted and then react into small cones, each of radius 3.5 cm and height 3 cm. The number of such cones will be

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A metallic sphere of radius 10.5 cm is melted and then react into small cones, each of radius 3.5 cm and height 3 cm. The number of such cones will be
A. 21
B. 63
C. 126
D. 130

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