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Railways Quantitative Aptitude Mensuration Sample Paper Mensuration Sample Test Paper-16

  • question_answer
    The length and breadth of a rectangular plot of a land are in the ratio 5 : 3. The owner spent Rs.  3000 for surrounding it from all the sides at the rate of Rs. 7.5 per meter. The difference between the length and breadth of the plot is

    A)  75 m   

    B)  50 m

    C)  90 m               

    D)  60 m

    Correct Answer: B

    Solution :

    [b] Let the length and breadth of plot are 5x and 3x respectively Perimeter of plot = 2(5x + 3x) = 16x According to question \[16x\times 7.5=3000\] \[\Rightarrow \] \[x=\frac{3000}{16\times 7.5}=25\] \[\therefore \] Length of plot 5x = 125 m Breadth of plot 3x = 75 m \[\therefore \] Difference = 125 ? 75 = 50 m


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