Multiple Choice Questions on In measuring the sides of a rectangle one side is increases by 30 and the other side is decreased by........... for Graduation cum Career Security Preparation

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Multiple Choice Questions

In measuring the sides of a rectangle one side is increases by 30 and the other side is decreased by...........

Quantitative Aptitude (CCS) Mensuration 2D
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    In measuring the sides of a rectangle, one side is increases by 30%, and the other side is decreased by 15%. What is the change in its area as a percentage ?

    7.5

    Incorrect Answer

    8

    Incorrect Answer

    10.5

    Correct Answer

    11

    Incorrect Answer
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    Explanation:

    Let initial area of a rectangle is 100.
    Then 100*130/100*85/100=110.5
    The change in Diff is 110.5-100=10.5

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