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6th Class Mathematics Mensuration Question Bank Mensuration Basics

  • question_answer
    The length of a rectangular plot of land is twice its breadth. If the perimeter of the plot be 300 m, find its area.

    A) \[5000\,\,{{m}^{2}}\]                      

    B) \[4000\,\,{{m}^{2}}\]

    C) \[3000\,\,{{m}^{2}}\]         

    D) \[2000\,\,{{m}^{2}}\]

    Correct Answer: A

    Solution :

    Let breadth be \[x\]and length be\[2x\] Perimeter\[=2(l+b)\] \[300=2(2x+x)\] \[\therefore \]\[x=\frac{300}{6}=50\,m\] \[b=50m,\,\,l=100\,m\] \[\therefore \]Area\[=l\times b=50\times 100=5000\,ml\]


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