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SSC Sample Paper Mock Test-12 SSC CGL Tear-II Paper-1

  • question_answer
    If 6 persons working 8 h a day earn Rs. 8400 per week, then 9 persons working 6 h a day will earn per week

    A) Rs. 8400

    B)  Rs. 16800

    C)  Rs. 9450

    D)  Rs. 16200

    Correct Answer: C

    Solution :

    More persons, more earning ( Direct Proportion) Less working hour less earning (Direct Proportion) \[\left. \begin{matrix}    6 & : & 9  \\    8 & : & 6  \\ \end{matrix} \right\}:\,\,:8400:x\] Where, x = Required earning Therefore, \[6\times 8\times x=9\times 8400\Rightarrow x=\frac{9\times 6\times 8400}{6\times 8}\] x = Rs. 9450


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