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    In February 2014, the number of paperback editions sold by shop D was 5% more than the same sold by the same shop in the previous month. The number of paperback editions sold in February 2014 by shop D constituted 75% of the total number of books sold by shop D in February 2014. What was the total number of books sold in February 2014 by shop D

  • 1840
  • 2040
  • 1960
  • 2080
  • 2400
  • Explanation:

    Number of paperback editions sold by shop D in February 2014

    =1400×105=1470

               100

    Let the total number of books sold by shop D in February 2014=x

    According to question,

    x×75/100=1470

    x=1470×100/75

    x=1960

    Required ratio = 300=5:3

                             180

    Book shop

    Total number of 

    books

    Number of paper

    back books

    Number of hard 

    bound books

    Number of fiction

    books

    Number of 

    Non-fiction books

    A 600×5/3=1000 600 1000-600 =400 1000×45/100=450 1000-450=550
    B 450×8/5=720 450 720-450=270 720×75/100=540 720-540=180
    C 450×4/3=600 450 600-450=150 600×50/100=300 600-300=300
    D 1400×9/7=1800 1400 1800-1400=400 1800×60/100=1080 1800-1080=720

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