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A solid sphere of brass with a radius 15...

A solid sphere of brass with a radius 15 cm is drawn into a wire of diameter 6 mm. The length of the wire ( in cm ) is :
15 cm त्रिज्या वाले पीतल के एक ठोस गोले को 6 mm व्यास के तार में खिंचा जाता है | तार की लम्बाई (cm में) है:

A

50000

B

60000

C

55000

D

45000

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