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Railways R.R.C. (Bilaspur) Solved Paper Held on 24-11-2013

  • question_answer
    If the price of a book is first decreased by 25% and then increased by 20%, then what will be the net change in price of the book?

    A) No change                    

    B) 10% decrease

    C) 5% increase                   

    D) 5% decrease

    Correct Answer: B

    Solution :

    Net change in price of the book      \[=-25+20-\frac{25\times 20}{100}\] \[=-5-5\] \[=-10%\]    Hence, net change in price will be 10% decrease.   


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