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9th Class Mathematics Surface Areas and Volumes Question Bank Surface Areas and Volumes

  • question_answer
    A spherical ball of lead, 3 cm in diameter is melted and recast into three spherical balls. The diameter of two of these are 1.5 cm and 2 cm respectively. The diameter of the third ball is ____.

    A)  2.66 cm                       

    B)  2.5 cm

    C)         3 cm               

    D)         3.5 cm            

    Correct Answer: B

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