Multiple Choice Questions on If the diameter of a sphere is 14 cm then what is the surface area in cm2 of the sphere ........ for SSC CGL Exam Preparation

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Multiple Choice Questions

If the diameter of a sphere is 14 cm then what is the surface area in cm2 of the sphere ........

Quantitative Aptitude (CGL) Mensuration 2D
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    If the diameter of a sphere is 14 cm, then what is the surface area (in cm2) of the sphere?

    616

    Correct Answer

    308

    Incorrect Answer

    462

    Incorrect Answer

    636

    Incorrect Answer
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    Explanation:

    Diameter =14 cm
    then ,radius = 14/2 =7
    SURFACE AREA OF SQUARE = 4πr²
    = 4 *22/7*(7)2
    = 4*22/7 *49
    =4*22*7
    = 616 

    By: MIRZA SADDAM HUSSAIN
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