Mathematics
Medium
Question
A metallic sphere of radius 12 cm is melted and drawn into a wire, whose radius of cross section is 16 cm. What is the length of the wire?
A
45 cm
B
18 cm
C
90 cm
D
None of these
✓ Official correct answer
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A
45 cm
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B
18 cm
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C
90 cm
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D
None of these
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