Multiple Choice Questions on If the length of the rectangular field is increased by 10 and the breadth is reduced by 10 now the a........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

If the length of the rectangular field is increased by 10 and the breadth is reduced by 10 now the a...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    If the length of the rectangular field is increased by 10% and the breadth is reduced by 10%, now the area of rectangle will be 217 cm2 .Find the area of the original rectangle?

    210 cm2

    Incorrect Answer

    219 cm2

    Correct Answer

    215 cm2

    Incorrect Answer

    221 cm2

    Incorrect Answer
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    Explanation:

    % change = 10 – 10 – 10*10/100 = -1%
    99x/100 = 217
    X = 217*100/99
    = 219.19 = 219 cm2

    By: Amit Kumar
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