Multiple Choice Questions on The external fencing of a circular path around a circular plot of land is 33 m more than its interio........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The external fencing of a circular path around a circular plot of land is 33 m more than its interio...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    The external fencing of a circular path around a circular plot of land is 33 m more than its interior fencing. The width of the path around the plot is

    2.25 m

    Incorrect Answer

    3.5 m

    Incorrect Answer

    4.25 m

    Incorrect Answer

    5.25 m

    Correct Answer
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    Explanation:

    Let the radius of the external circle and the internal circle be R and r respectively
    Then 2πR-2πr = 33
     R-r      = 33/2π
    = (33×7) / (2×22)
    = 21/4
    = 5.25 m

    By: MIRZA SADDAM HUSSAIN
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