Multiple Choice Questions on The breadth of a rectangular field is 75 of its length If perimeter of the field is 1050 m what will........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The breadth of a rectangular field is 75 of its length If perimeter of the field is 1050 m what will...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    The breadth of a rectangular field is 75% of its length. If perimeter of the field is 1050 m, what will be th area of field ?

    65700 sq.m

    Incorrect Answer

    54500 sq.m

    Incorrect Answer

    78700 sq.m

    Incorrect Answer

    67500 sq.m

    Correct Answer
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    Explanation:

    Let the length be 'l' and breadth be 'b'.
    b = l × 3/4__________(a)
    2(l+b) = 1050
    l+b = 525___________(b)
    From equations (a) and (b),
    l = 300m, b = 225 m
    Area = l × b
    = 300 × 225
    = 67500 sq.m

    By: MIRZA SADDAM HUSSAIN
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