Railways R.R.C. (Mumbai) Solved Paper Held on 2-11-2014 - II

  • question_answer
    ?A? does a work in 10 days and ?B? does the same work in 15 days. In how many days will they together do the same work?

    A) 6 days  

    B) 5 days

    C) 8 days              

    D) 9 days

    Correct Answer: A

    Solution :

    Required time \[=\frac{10\times 15}{25}=6\,\,days\]


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