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A hollow sphere of external and internal diameters 8 cm and 4 cm respectively, is melted into a cone of base diameter 8 cm, then the height of the cone will be equal to:
  • a)
    14 cm
  • b)
    12 cm
  • c)
    16 cm
  • d)
    10 cm
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A hollow sphere of external and internal diameters 8 cm and 4 cm resp...
Volume of the material of the shell =
Volume of the cone formed =
Therefore
Hence, the height of cone formed is 14cm.
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A hollow sphere of external and internal diameters 8 cm and 4 cm respectively, is melted into a cone of base diameter 8 cm, then the height of the cone will be equal to:a)14 cmb)12 cmc)16 cmd)10 cmCorrect answer is option 'A'. Can you explain this answer?
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