Multiple Choice Questions on The ratio of the length and breadth of a plot is 4 3 If the breadth is 40 m less than the length Wha........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The ratio of the length and breadth of a plot is 4 3 If the breadth is 40 m less than the length Wha...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    The ratio of the length and breadth of a plot is 4 : 3. If the breadth is 40 m less than the length, What is the perimeter of the plot?

    560 m

    Correct Answer

    540 m

    Incorrect Answer

    500 m

    Incorrect Answer

    none of these

    Incorrect Answer
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    Explanation:

    Let the length be 4x metres. Then, breadth = 3x metres.
    Then, 4x - 3x = 40 => x = 40 
    length l = (4 × 40) = 160 m 
    breadth b = (3 × 40) = 120 m 
    Perimeter = 2(160 + 120) = 2(280) = 560 m

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