Subject

    গাণিতিক যুক্তি

    Topic

    সরলীকরণ

    The perimeter of a rectangle is 200 meters. The breadth is 37\frac{3}{7} part of the length.What is the length ?

    ক)
    30
    খ)
    50
    গ)
    60
    ঘ)
    70

    Explanation

    Let the breadth is 3x and the length is 7x, so perimeter is 2(7x+3x) = 200 or 20x = 200 so x = 10 nw length is 7x = 7 × \times 10 = 70 meters কিন্তু ধরি, প্রস্থ  এবং দৈর্ঘ্য = x এর 37\frac{3}{7}  বা, 3x7\frac{{3x}}{7}  সুতরাং  2(x+3x7)=2002(x + \frac{{3x}}{7}) = 200

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