Multiple Choice Questions on A circular field area is the same as the rectangle area rectangle length and width is 14 11 ratio pe........... for CDS Exam Preparation

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Multiple Choice Questions

A circular field area is the same as the rectangle area rectangle length and width is 14 11 ratio pe...........

Quantitative Aptitude (CDS) Geometry
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    A circular field area is the same as the rectangle area .rectangle length and width is 14:11 ratio.perimeter of the rectangle is 200 m.find the diameter of the circle?

    3√(700/11 )

    Incorrect Answer

    700

    Incorrect Answer

    2 √(700/11 )

    Correct Answer

    None of these

    Incorrect Answer
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    Explanation:

    Perimeter of rectangle is=200m

    (14x)(11x)=200

    X^2    =100/77

    X=10/√77

    Length=140/√77 

    Width=110/√77  

    Area of circle =area of rectangle

    22/7  r^2=140×110/77

     r^2  =1400/22

    r=√(700/11 )

    diameter=2 √(700/11 )

    By: bhavesh kumar singh
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