A solid spherical copper ball, whose diameter is 14 cm, is m

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M: +1.00/-0.25

A solid spherical copper ball, whose diameter is 14 cm, is melted and converted into a wire having diameter equal to 14 cm. The length of the wire is

[SSC GD 2012 Shift 1]

A 27 cm

B

C 15 cm,

D