Multiple Choice Questions on A bottle in the shape of a right circular cone of height 21cm is filled with water The water is pour........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A bottle in the shape of a right circular cone of height 21cm is filled with water The water is pour...........

Quantitative Aptitude ( CCS) Mensuration 3D
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    A bottle in the shape of a right circular cone of height 21cm is filled with water. The water is poured in right circular cylindrical bottle whose radius is one third of the radius of the circular cone. Then the height of the water in the bottle is ?

    72cm

    Incorrect Answer

    54cm

    Incorrect Answer

    63cm

    Correct Answer

    48cm

    Incorrect Answer
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    Explanation:

    Answer – 63cm
    Explanation :
    1/3(3.14*r2*h1) = 3.14(r/3)2*h2
    (r2*21)/3 = (r2/9)*h2
    h2 =7*9 = 63cm

    By: MIRZA SADDAM HUSSAIN
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