Railways R.R.C. (Jabalpur) Solved Paper Held on 1st Shift 30-11-2014

  • question_answer 'A' can do a certain job in 12 days. 'B' is 60% more efficient than 'A'. To do the same job, 'B' alone would take?

    A) 8 days              

    B) 10 days

    C) \[7\frac{1}{2}\] days                 

    D) 7 days

    Correct Answer: C

    Solution :

    To do the same job 'B' alone would take \[=\frac{100}{160}\times 12\] \[=\frac{15}{2}=7\,\,\frac{1}{2}\,\,days\]


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