Multiple Choice Questions on A spherical balloon of radius r subtends angle 60 deg at the eye of an observer If the angle of elev........... for CDS Exam Preparation

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Multiple Choice Questions

A spherical balloon of radius r subtends angle 60 deg at the eye of an observer If the angle of elev...........

Quantitative Aptitude (CDS) Height and Distance
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    A spherical balloon of radius r subtends angle 60°at the eye of an observer. If the angle of elevation of its centre is 60°and h is the height of the centre of the balloon, then which one of the following is correct?

    h = r

    Incorrect Answer

    h = √2r

    Incorrect Answer

     h = √3r

    Correct Answer

    h = 2r

    Incorrect Answer
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