Multiple Choice Questions on A man walking at the speed of 4km h crosses a square field diagonally in 3 minutes The area of the f........... for CDS Exam Preparation

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Multiple Choice Questions

A man walking at the speed of 4km h crosses a square field diagonally in 3 minutes The area of the f...........

Quantitative Aptitude (CDS) Mensuration 2D
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    A man walking at the speed of 4km/h crosses a square field diagonally in 3 minutes. The area of the field is?

    6250 m^2

    Incorrect Answer

    3100 m^2

    Incorrect Answer

    3125 m^2

    Correct Answer

    4000 m^2

    Incorrect Answer
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    Explanation:

    Speed is=4 km/h

    =4×1000/60

    =250/3  metre /minute

    Diagonal length= (250/3)×3

     =250 metre

    Diagonal=√(a^2+a^2)

    6250=2a^2

    3125=a^2

    Area=3125 m^2

    By: bhavesh kumar singh
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