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In a college, 150 students of MBA are enrolled. The ratio of boys to girls is 7 : 8. There are three disciplines, namely Marketing, HR and Finance, in the college. In Marketing discipline there are 50% girls of their total number and the boys are 40% of their total number. In HR discipline, girls are 30% of their total number while boys are 30% of their total number. Finance discipline has girls 20% of their total number and the boys are 30% of their total number. 7 boys and 9 girls are in HR and Marketing both. 6 boys and 7 girls are in HR and Finance both. 5 boys and 8 girls are in Marketing and Finance both. 2 boys and 3 girls are enrolled in all three disciplines.
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mainly asked in :
IBPSPO 2013

  • 1.
    What percentage of students are enrolled in all three disciplines?
    A. 3.3% B. 7.2%
    C. 8.5% D. 9.32%
    E. None of these

  • 2. What is the ratio of boys to girls only in Marketing discipline?
    A. 13 : 9 B. 9 : 13
    C. 9 : 11 D. 11 : 9
    E. None of these

  • 3. The ratio of the number of boys in Marketing and Finance both to that of girls only in Finance is
    A. 5 : 3 B. 3 : 5
    C. 5 : 4 D. 4 : 7
    E. None of these

  • 4.
    By what per cent is the number of of boys in Marketing discipline more than the number of girls in HR discipline? 
    A.
    13 1 %
    3
    B.
    33 1 %
    3
    C.
    14 2 %
    3
    D.
    16 2 %
    3
    E. None of these

  • 5. The ratio of boys to girls enrolled only in HR discipline is
    A. 10 : 11 B. 9 : 10
    C. 7 : 5 D. 5 : 7
    E. None of these

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