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

  • question_answer
    A shopkeeper claims to sell his articles at a discount of 10%, but marks his articis by increasing the cost of each by 20%. His gain per cent is?

    A) 6%

    B)                           8%

    C) 10%                             

    D) 12%

    Correct Answer: B

    Solution :

    Suppose gain per cent = x% Then,                \[20=\frac{(10+x)\times 100}{90}\] \[18=10+x\] \[x=8%\]


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