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Railways R.R.C. (Kolkata) Solved Paper Held on 2nd Shift 27-10-2013

  • question_answer
    By selling 100 pencils, a shopkeeper gains the selling price of 20 pencils. His gain per cent is?

    A) 25%     

    B) 20%

    C) 15%                             

    D) 12%

    Correct Answer: A

    Solution :

    Required gain per cent\[=\frac{20}{(100-20)}\times 100\] \[=\frac{20}{80}\times 100=25%\]


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