Multiple Choice Questions on The area of a rectangle is 72 m2 and its length is 2 times is breadth What is the perimeter of the r........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The area of a rectangle is 72 m2 and its length is 2 times is breadth What is the perimeter of the r...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    The area of a rectangle is 72 m2 and its length is 2 times is breadth. What is the perimeter of the rectangle?

    42m
    Incorrect Answer
    36m
    Correct Answer
    30m
    Incorrect Answer

    Data Inadequate

    Incorrect Answer
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    Explanation:

    Let the breadth be x
    Then
    x*2x=72
    x = 6 m
    then l=12m and b=6m
    Perimeter=2(12+6)
    =36m.

    By: Amit Kumar
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