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      Question

      How many solid spherical balls of radius 2 cm can be

      made by melting a solid hemisphere of radius 4 cm?
      A 16 Correct Answer Incorrect Answer
      B 2 Correct Answer Incorrect Answer
      C 4 Correct Answer Incorrect Answer
      D 8 Correct Answer Incorrect Answer

      Solution

      ATQ, Let n numbers of spherical balls be made = [n Γ— (4/3)Ο€ Γ— 23] = [(2/3)Ο€ Γ— 43] n= 4 ∴ 4 Solid spherical balls can be made

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