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      Question

      If the radius of a sphere is doubled, then the volume of

      the sphere becomes _____ times the previous volume.
      A eight Correct Answer Incorrect Answer
      B two Correct Answer Incorrect Answer
      C four Correct Answer Incorrect Answer
      D one Correct Answer Incorrect Answer

      Solution

      ATQ, Formula for volume of a sphere:

      Original volume (radius = r):

      New radius = 2r, new volume:

      The volume becomes 8 times the previous volume.

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