Multiple Choice Questions on Surface area of a cube is 2400 cm 2 Find out the length of its diagonal ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

Surface area of a cube is 2400 cm 2 Find out the length of its diagonal ........

Quantitative Aptitude ( CCS) Mensuration 2D
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    Surface area of a cube is 2400 cm 2. Find out the length of its diagonal.

    16√3cm
    Incorrect Answer
    20√3cm
    Correct Answer
    24√3cm
    Incorrect Answer

    26√3cm

    Incorrect Answer
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    Explanation:

    Surface area of cube 6*side2
    6*side2=2400
    side2=2400/6=400
    side=20cm.
    Diagonal of cube=√3*side=20√3cm.

    By: Amit Kumar
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