Question

    A cylinder of radius 12 cm containing water reduces its

    water level by 1 cm when a fully immersed hemi spherical ball is removed from this cylindrical container then find the radius of removed spherical ball.
    A 2 cm Correct Answer Incorrect Answer
    B 3 cm Correct Answer Incorrect Answer
    C 6 cm Correct Answer Incorrect Answer
    D 4 cm Correct Answer Incorrect Answer

    Solution

    The radius of spherical ball is r cm. From the question,  Volume of the hemi sphere = Volume of the 1 cm reduced cylindrical part

    Practice Next