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11th Class Mental Ability Mensuration Question Bank Question - Mensuration

  • question_answer
    The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot Rs 26.50 per metre is Rs 5300, then what is the length of the plot in metres?

    A) 40

    B) 120

    C) 50

    D) 60

    E) None of these

    Correct Answer: D

    Solution :

    Explanation Option (d) is correct. Let length = x meters And breadth = (x - 20) Perimeter = \[\frac{5033}{26.5}=200m\] \[2(x+x+20)=200\]             \[4x=240\]             \[x=60m\]


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