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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-9

  • question_answer
    The ratio of the length and the breadth of a rectangle is 4 : 3 and the area of the rectangle is 1728 sq cm. What is the ratio of the breadth and the area of the rectangle?

    A)  1:38             

    B)  1:24    

    C)         1:42             

    D)  1:48

    Correct Answer: D

    Solution :

    \[(4x)\,\,\,(3x)\,\,=\,\,1728\] \[\Rightarrow \]   \[{{x}^{2}}=144\]  \[\therefore \]  \[x=12\] \[\Rightarrow \]  length = 48; breadth = 36 \[\therefore \]  Required ratio \[=\frac{36}{36\times 48}=1:48\]


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