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Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    42 men take 25 days to dig a pond. If the pond would have to be dug in 14 days, then what is the number of men to be employed?

    A)  67       

    B)  75

    C)  81                   

    D)  84

    Correct Answer: B

    Solution :

    [b] Let the number of men be n Men                             Days \[{}_{n}^{42}\downarrow \]                              \[{}_{14}^{25}\uparrow \] \[\therefore \frac{n}{42}=\frac{25}{14}\Rightarrow n=75\]


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