Railways R.R.C. (Jabalpur) Solved Paper Held on 1st Shift 30-11-2014

  • question_answer 78) The discount equivalent to two successive discounts of 10% is-

    A) 21%                             

    B) 19%

    C) 15%                             

    D) 20%

    Correct Answer: B

    Solution :

    The equivalent discount           \[=\left[ 10+10-\frac{10\times 10}{100} \right]%\]           \[=(20-1)%\]            \[=19%\]

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