Multiple Choice Questions on A sphere of radius 9 cm is dip into a cylinder who is filled with water upto 20 cm If the radius of ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A sphere of radius 9 cm is dip into a cylinder who is filled with water upto 20 cm If the radius of ...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    A sphere of radius 9 cm is dip into a cylinder who is filled with water upto 20 cm. If the radius of cylinder is 6 cm find the percentage change in height.

    50%

    Incorrect Answer

    40%

    Incorrect Answer

    55%

    Incorrect Answer

    45%

    Correct Answer
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    Explanation:

    Volume of sphere= volume of cylinder from height 20 cm to upwards.
    4/3 * π * 9*9*9 = π * 6*6*h
    h=9
    new height=20+9=29
    %change= 9/20*100=45%

    By: Amit Kumar
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