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Railways R.R.C. (Patna) Solved Paper Held on 1st Shift 16-11-2014

  • question_answer
    \[999\,\,\frac{1}{7}+999\,\,\frac{2}{7}+999\,\,\frac{3}{7}+999\,\,\frac{4}{7}+999\,\,\frac{5}{7}+999\,\,\frac{6}{7}=?\]

    A) 2997                

    B) 5979

    C) 5997                            

    D) 5994

    Correct Answer: C

    Solution :

    ? = (999+999+999+999+999+999) \[+\left( \frac{1}{7}+\frac{2}{7}+\frac{3}{7}+\frac{4}{7}+\frac{5}{7}+\frac{6}{7} \right)\] = 5994+\[\frac{21}{7}\] \[=5994+3\]  = 5997


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