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

  • question_answer
    A cylinder of radius 12 cm contains water to a depth of 20 cm. A spherical iron ball is dropped into the cylinder and thus the level of water is raised by 6.75 cm. Find the radius of the ball.         \[(Take\,\pi =\frac{22}{7}).\]

    A)  8 cm                          

    B)    9 cm              

    C)    10 cm                        

    D)    11 cm            

    Correct Answer: B

    Solution :

    Not Available


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