Logical Venn Diagram


  1. Which one of the following figures represents the relationship among English Teachers, Popular English Teachers and Unpopular Teachers?









  1. View Hint View Answer Discuss in Forum

    From above the given question , it is clear that
    Popular English Teachers form sub-set of English Teachers. Also, there may be some English Teachers who are not popular.

    Correct Option: B

    From above the given question , it is clear that
    Popular English Teachers form sub-set of English Teachers. Also, there may be some English Teachers who are not popular.
    Hence , Option B represents the required answer .



  1. How the following statement can be represented?
    Solid common salt is hygroscopic, crystalline and non-electrolytic substance.









  1. View Hint View Answer Discuss in Forum

    According to above given question , we can say that
    Some hygroscopic substances may be crystalline and vice-versa.
    Some hygroscopic substances may be non-electrolytic and vice-versa.
    Some crystalline substances may be non-electrolytic and vice-versa.

    Correct Option: D

    According to above given question , we can say that
    Some hygroscopic substances may be crystalline and vice-versa.
    Some hygroscopic substances may be non-electrolytic and vice-versa.
    Some crystalline substances may be non-electrolytic and vice-versa.
    From above it is clear that option ( D ) gives the best relationship between hygroscopic, crystalline and non-electrolytic substance.


  1. Select the diagram which best represents the relationship between educated people, unemployed and teachers.









  1. View Hint View Answer Discuss in Forum

    As per the given above question , we can say that
    Here , U = Unemployed;
    T = Teacher
    Educated people may be employed or unemployed.


    Correct Option: B

    As per the given above question , we can say that
    Here , U = Unemployed;
    T = Teacher
    Educated people may be employed or unemployed.
    From above it is clear that option ( B ) represents the best relationship between educated people, unemployed and teachers .



  1. Select the figure which represents the relationship between athletes, football players and cricket players.









  1. View Hint View Answer Discuss in Forum

    As per the given above question , we can say that
    Some athletes may be football players and vice-versa.
    Some athletes may be cricket players and vice-versa.
    Some athletes may be both cricket players and football players.
    Some cricket players may be football players and vice-versa.

    Correct Option: B

    As per the given above question , we can say that
    Some athletes may be football players and vice-versa.
    Some athletes may be cricket players and vice-versa.
    Some athletes may be both cricket players and football players.
    Some cricket players may be football players and vice-versa.
    Therefore , option ( B ) represents the best relationship between athletes, football players and cricket players.



  1. Which diagram correctly represents the relationship between Human beings, Teachers, Graduates?









  1. View Hint View Answer Discuss in Forum

    As per the above given question , we can say that
    Some teachers may be graduates and vice-versa. All teachers and all graduates are human beings.

    Correct Option: A

    As per the above given question , we can say that
    Some teachers may be graduates and vice-versa. All teachers and all graduates are human beings.
    From above it is clear that option ( A ) gives the best relationship betweenHuman beings, Teachers and Graduates .As shown in given venn - diagram .