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

  • question_answer
    A single discount equivalent to successive discounts of 20%, 10% and 5% is-

    A) 35-6%              

    B) 36-1%

    C) 35%                             

    D) 31-6%

    Correct Answer: D

    Solution :

    A single equivalent discount \[=100-\frac{80\times 90\times 95}{100\times 100}\] \[=100-68.4=31.6%\]


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