Multiple Choice Questions on If the surface area of a cube is 13254 cm2 then the length of its diagonal is ........ for CDS Exam Preparation

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Multiple Choice Questions

If the surface area of a cube is 13254 cm2 then the length of its diagonal is ........

Quantitative Aptitude (CDS) Mensuration 3D
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    If the surface area of a cube is 13254 cm2, then the length of its diagonal is

    44√2 cm

    Incorrect Answer

    44√3 cm

    Incorrect Answer

    47√2 cm

    Incorrect Answer

    47√3 cm

    Correct Answer
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    Explanation:

    Let the edge of the cube be a cm.
    ∴6a2=13254
    ⇒a2=2209
    ⇒a=47cm
    Therefore, length of the diagonal of cube=√3a=47√3cm

    By: Munesh Kumari
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