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The aspherical shell of lead whose external and internal diameters are 24 cm and 18 cm respectively is melted and recast into a right circular cylinder 37 cm high. Find the diameter of the base of the cylinder.
  • a)
    6 cm
  • b)
    12 cm
  • c)
    18 cm
  • d)
    24 cm
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The aspherical shell of lead whose external and internal diameters are...
The volume of lead in the shell = volume of a cylinder

⇒ r2 = 36 ⇒ r = 6
∴ diameter =  2r = 2 × 6 = 12 cm
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The aspherical shell of lead whose external and internal diameters are 24 cm and 18 cm respectively is melted and recast into a right circular cylinder 37 cm high. Find the diameter of the base of the cylinder.a)6 cmb)12 cmc)18 cmd)24 cmCorrect answer is option 'B'. Can you explain this answer?
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