Q. The radius of a sphere is 6 cm. It is melted and drawn into a wire of radius 0.2 cm. The length of the wire is
A) 80 m
B) 81 m
C) 72 m
D) 75 m
✔ Correct Answer: 72 m
Exam Insight
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A) 80 m
B) 81 m
C) 72 m
D) 75 m
✔ Correct Answer: 72 m
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