Multiple Choice Questions on The area of the garden formed by two concentric circles with circumferences 44m and 176 m respe........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The area of the garden formed by two concentric circles with circumferences 44m and 176 m respe...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    The area of the garden formed by two concentric circles with circumferences 44m and 176 m respectively is?

    2390m²

    Incorrect Answer

    2590m²

    Incorrect Answer

    2310m²

    Correct Answer

    2490m²

    Incorrect Answer
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    Explanation:

    2πR1 = 176
    R1 = 28m
    2πR2 = 44
    R2 = 7m
    Area  of the garden = π(R1² – R2²)
    = 22/7(784 – 49) = 2310m²

    By: Amit Kumar
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