Railways Quantitative Aptitude Time And Work Sample Paper Time and Work Sample Test Paper-10

  • question_answer
    If 27 men take 15 days to mow 225 hectares of grass, how long will 33 men take to mow 165 hectare?

    A)  9 days 

    B)  18 days

    C)  6 days 

    D)  12 days

    Correct Answer: A

    Solution :

    [a] 27 men mow 225 hectares in 15 days \[\therefore \] 1 man mow 225 hectares in \[(15\times 27)\] days (indirect) \[\therefore \] 1 man mow 1 hectares in \[\frac{15\times 27}{225}\] days (direct) 1 man mow 165 hectares in \[\frac{15\times 27}{225}\times 165\] days (direct) \[\therefore \] 33 men mow 165 hectares in \[\frac{15\times 27\times 165}{225\times 33}=9\,\,days\]


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