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SSC Quantitative Aptitude Mensuration Question Bank Mensuration-I (I)

  • question_answer
    The area of rectangle is thrice that of a square. The length of the rectangle is 20 cm and the Q breadth of the rectangle is \[\frac{3}{2}\] times that of the side of the square. The side of the square (in cm) is

    A) 10

    B) 20

    C) 30

    D) 40

    Correct Answer: A

    Solution :

    [a] Let the side of square \[=x\,cm\] Then, breadth of rectangle \[=\frac{3}{2}x\,cm\] According to the question,\[20\times \frac{3}{2}(x)=3{{x}^{2}}\] \[\therefore \]      \[x=10\,cm\]


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