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SSC Sample Paper SSC CGL - Sample Paper-4

  • question_answer
    Simplify \[\frac{\begin{matrix}    5  \\    3  \\ \end{matrix}\times \begin{matrix}    7  \\    51  \\ \end{matrix}\times \,\,\text{of}\,\,\begin{matrix}    17  \\    5  \\ \end{matrix}-\begin{matrix}    1  \\    3  \\ \end{matrix}}{\begin{matrix}    2  \\    9  \\ \end{matrix}\times \begin{matrix}    5  \\    7  \\ \end{matrix}\times \,\,\text{of}\,\,\begin{matrix}    28  \\    5  \\ \end{matrix}-\begin{matrix}    2  \\    3  \\ \end{matrix}}\]

    A)  \[\frac{1}{2}\]                         

    B)  4

    C)  2                    

    D)  \[\frac{1}{4}\]

    Correct Answer: C

    Solution :

    \[?=\frac{\frac{7}{9}-\frac{1}{3}}{\frac{8}{9}-\frac{2}{3}}\] \[=\frac{\frac{7-3}{9}}{\frac{8-6}{9}}=\frac{\frac{4}{9}}{\frac{2}{9}}=\frac{4}{9}\times \frac{9}{2}=2\]         


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