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Banking Quantitative Aptitude Sample Paper Quantitative Aptitude Sample Paper-15

  • question_answer
    Directions: Study the table to answer the given questions.
    Data Related to Books Sold Through Online Mode and Offline Mode in a City
    Year Number of books sold (in thousands) (Online mode + Offline mode) Percentage of books sold through online mode Respective ratio of number of non-fiction books sold to number of fiction books sold (Online mode + Offline mode)
    2010 690 40 2 : 3
    2011 720 57.5 4 : 5
    2012 945 60 7 : 8
    2013 1240 75 1 : 3
    2014 1600 79 3 : 5
    Find the average of books sold through offline mode (in thousand) from years 2010 to 2014.

    A) 432900             

    B) 29340T

    C) 349200 

    D) 543210

    E) None of the above

    Correct Answer: C

    Solution :

    Total books sold through offline mode in 2010
    \[=690\times \frac{60}{100}=414\]
    Total books sold through offline mode in 2011
                \[=720\times \frac{42.5}{100}=306\]
    Total books sold through offline mode in 212
                \[=950\times \frac{40}{100}=380\]
    Total books sold through offline mode in 2013
                \[=1240\times \frac{25}{100}=310\]
    Total books sold through offline mode in 2014
                \[=1600\times \frac{21}{100}=336\]
    Average number of book sold through offline mode 2010 to 2014
    \[=\frac{414+306+380+310+336}{5}\] \[=\frac{1746}{5}=349.2\times 1000=349200\]


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