Question

    A cylindrical vessel with a base of radius 15 m and

    height of 21 m is filled with water to a certain height. 10 spherical balls of radius 1.5 m are dropped into this vessel. By how much will the level of water rise in the vessel?
    A 40 cm Correct Answer Incorrect Answer
    B 50 cm Correct Answer Incorrect Answer
    C 60 cm Correct Answer Incorrect Answer
    D 20 cm Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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