Multiple Choice Questions on A wire when bent in the form of a square encloses an area of 484 sq cm If the same wire is bent in t........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

A wire when bent in the form of a square encloses an area of 484 sq cm If the same wire is bent in t...........

Quantitative Aptitude (RRB NTPC) Mensuration 2D
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    A wire when bent in the form of a square encloses an area of 484 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by it?

    264 sq.cm

    Incorrect Answer

    616 sq.cm

    Correct Answer

    488 sq.cm

    Incorrect Answer

    492 sq.cm

    Incorrect Answer
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    Explanation:
    Area of square = 484 sq cm
    Side = 22 cm
    Perimeter = 88 cm
    2π r = 88
    R = 14 cm
    Area = π ×14²
    =22/7 X 14 X14
    = 22 ×28
    =616 sq .cm

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