Multiple Choice Questions on The surface area of a sphere is 616cm2 Find its radius ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

The surface area of a sphere is 616cm2 Find its radius ........

Quantitative Aptitude ( CCS) Mensuration 3D
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    The surface area of a sphere is 616cm2. Find its radius.

    5 cm

    Incorrect Answer

    6 cm

    Incorrect Answer

    7 cm

    Correct Answer

    8 cm

    Incorrect Answer
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    Explanation:

    Let 'r' be the radius of the sphere. We have
    4πr2 = 616
    4 × 22/7 × r2 = 616
    r = 7

    By: MIRZA SADDAM HUSSAIN
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