Multiple Choice Questions on If the radius of the cone is doubled keeping the height constant what is the ratio of the volume of ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If the radius of the cone is doubled keeping the height constant what is the ratio of the volume of ...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    If the radius of the cone is doubled, keeping the height constant, what is the ratio of the volume of the smaller cone to larger cone?

    2:9

    Incorrect Answer

    5:7

    Incorrect Answer

    1:4

    Correct Answer

    1:7

    Incorrect Answer
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    Explanation:

    v1/v2 = (r1²) * h1 / (r2²) * h2 (h1=h2)
    (r)²/(2r)²
    v1/v2 = 1:4

    By: Amit Kumar
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