Multiple Choice Questions on The following table gives the monthly expenditure of two families In constructing a pie diagram to t........... for NDA Exam Preparation

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Multiple Choice Questions

The following table gives the monthly expenditure of two families In constructing a pie diagram to t...........

Mathematics (NDA) Set theory
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    The following table gives the monthly expenditure of two families:

    In constructing a pie diagram to the above data, the radii of the circles are to be chosen by which one of the following ratios?

    1:1

    Incorrect Answer

    10:9

    Correct Answer

    100:91

    Incorrect Answer

    5:4

    Incorrect Answer
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    Explanation:

    Total expenditure of A = 10,000
    Total expenditure of B = 8,100
    So area of A : area of B = 10,000:8100 = 100:81
    => radii of A : radii of B =\sqrt{100}  : \sqrt{81} = 10:9

    By: Munesh Kumari
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