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SSC Sample Paper SSC CGL - Sample Paper-14

  • question_answer
    If 28 men complete \[\frac{7}{8}\] of a piece of work in a week, then the number of men, who must be engaged to get the remaining work completed in another week, is

    A) 5                                 

    B) 6         

    C) 4                     

    D) 3

    Correct Answer: C

    Solution :

    \[\overset{\mathbf{Work}}{\mathop{\mathop{_{\frac{1}{8}}^{\frac{7}{8}}\downarrow }_{{}}^{{}}}}\,\] \[\overset{\mathbf{Days}}{\mathop{\mathop{{}_{7}^{7}\downarrow }_{{}}^{{}}}}\,\] \[\overset{\mathbf{Men}}{\mathop{\mathop{{}_{x}^{28}\downarrow }_{{}}^{{}}}}\,\]
    \[\therefore \]      \[\frac{7}{8}:\frac{1}{8}::28:x\] \[\Rightarrow \]   \[\frac{7}{8}\times x=\frac{1}{8}\times 28\] \[\Rightarrow \]   \[x=\frac{28\times 8}{7\times 8}=4\,\,men\]        


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