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Banking Quantitative Aptitude Sample Paper Quantitative Aptitude Sample Paper-13

  • question_answer
    Directions: Study the following table carefully and answer the questions.      [LIC (AO) 2014]
    Course Total number of students who have enrolled for the course  Percentage of students who have enrolled for the given courses from different colleges
    P Q R S
    C++ 2000 26 20 19 35
    Java 2400 27 30 25 18
    Linux 1500 32 20 25 23
    SQL 1800 24 32 28 16
    Coco SD 2800 21 20 21 38
    What is the respective ratio between the total number of students who have enrolled for course on Java and SQL together from college P and the total number of students who have enrolled for the same courses together from college S?

    A) 2 : 1                             

    B) 3 : 1

    C) 3 : 2                 

    D) 5 : 3

    E) 4: 3

    Correct Answer: C

    Solution :

    Number of students for Java from college P
    \[=2400\times \frac{27}{1000}=648\]
    Number of students for SQL from college P
                \[=1800\times \frac{24}{100}=432\]
    \[\therefore \] Total number of students for Java and SQL from college \[P=648+432=1080\]
    Number of students for Java from college S
                \[=2400\times \frac{18}{100}=432\]
    Number of students for SQL from college S
                \[=1800\times \frac{16}{100}=288\]
    \[\therefore \] Total number of students for Java and SQL from college \[S=432+288=720\]
    \[\therefore \] Required ratio
    \[=\frac{1080}{720}=\frac{108}{72}=\frac{36\times 3}{36\times 2}=\frac{3}{2}=3:2\]


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