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Railways Sample Paper RRB (Group D) Sample Test Paper-13

  • question_answer
    Seventy-five men are employed to lay down a railway line in 3 months. Due to certain emergency conditions, the work was to be finished in 18 days. How many more men should Be employed to complete the work in the desired time?

    A)  300     

    B)         325

    C)  350                 

    D)  375

    Correct Answer: A

    Solution :

    [a] More the no. of men less time they take to complete work. Let x men are added \[\frac{75}{75+x}=\frac{18}{90}\] \[\frac{75}{75+x}=\frac{1}{5}\]                        (Inverse Proportion) \[375-\,75=x\] \[x=300\]          


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