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  3. 6th Class
  4. Mathematics
  5. Mensuration

6th Class Mathematics Mensuration Question Bank Menstruation

  • question_answer
    The ratio between the length and the perimeter of a rectangular plot is 1 : 3 and the ratio between the breadth and perimeter of that plot is 1 : 6. What is the ratio between the length and area of that plot?

    A)  2 : 1               

    B)    1 : 6

    C)  1 : 8               

    D)    Data inadequate

    Correct Answer: D

    Solution :

         Given that, L : P = 1 : 3, B : P = 1 : 6, L : B : P = 2 : 1 : 6 Let length = 2x, breadth = x, perimeter = 6 x. Area \[=l\times b=2x\times x=2{{x}^{2}}\]. \[\therefore \]  Ratio between length and area \[=2x:2{{x}^{2}}=1:x\] which cannot be determined.


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