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

  • question_answer
    A solid cylinder has total surface area of 1848 square cm. Its curved surface area is one third of its total surface area. If a hemisphere is formed from this cylinder, then the radius (in cm) of this hemisphere is __________

    A)  5                                                                    

    B)  \[{{7}^{3}}\sqrt{6}\]

    C)  \[{{14}^{3}}\sqrt{6}\]                                                

    D)  \[17\sqrt{6}\]

    E)  None of these

    Correct Answer: B


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