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Home Questions & Answers Aptitude Reasoning Question Answers The cylinder of radius 8m and height 10m is melted down and all the metal is used to recast a new solid cylinder with radius 12m. What is the height of the new cylinder ?(in m)

    The cylinder of radius 8m and height 10m is melted down and all the metal is used to recast a new solid cylinder with radius 12m. What is the height of the new cylinder ?(in m)

  • 4.4
  • 5.4
  • 4.8
  • 5
  • 3.9
  • Explanation:

    Let the height of the new cylinder = h

    According to question,

    π×(8)2×10=π×(12)2×h

    h = 8×8×10/12×12

    h=40/9

    h=4.4 m


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