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Railways R.R.C. (Jabalpur) Solved Paper Held on 2nd Shift 9-11-2014

  • question_answer
    The single discount which is equivalent to successive discounts of 20%, 15% and 10% is?

    A) 38-8%  

    B) 36-9%

    C) 34-2%              

    D) 32-7%

    Correct Answer: A

    Solution :

    The single equivalent discount \[=100-\frac{80\times 85\times 90}{100\times 100}\]             \[=100-61.2\] \[=38.8%\]


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