Logical Venn Diagram


  1. In a total population of 70, if 20 drink coffee and tea, 35 drink coffee, then select the correct Venn diagram that shows
    (1) how many drink only coffee?
    (2) how many drink only tea?
    A = Coffee drinkers
    B = Tea drinkers









  1. View Hint View Answer Discuss in Forum

    Given :- Total population = 70,
    Drinking coffee and tea = 20 and drinking coffee = 35
    (1) 35 drink only coffee .
    (2) 15 drink only tea .


    Correct Option: D

    Given :- Total population = 70,
    Drinking coffee and tea = 20 and drinking coffee = 35
    (1) 35 drink only coffee .
    (2) Drinking only tea = Total population - ( Drinking coffee and tea + Drinking coffee ) = 70 - ( 20 + 35 ) = 15
    ∴ 15 drink only tea .



  1. In the fig.
    Q represents all quadrilaterals
    K represents all Kites
    R represents all Rhombus
    P represents all Parallelogram
    The statement 'Rhombus is also a Kite' can be described as











  1. View Hint View Answer Discuss in Forum

    From above given diagram , it is clear that
    P and K is nothing but R.

    Correct Option: A

    From above given diagram , it is clear that
    P and K is nothing but R.
    Therefore , required answer will be option A .


  1. Which venn diagram truly represents Teachers, Scholars and Students?









  1. View Hint View Answer Discuss in Forum

    According to question , we can say that
    Scholars and Students are in similar class , but Teachers are different class from Scholars and Students .


    Correct Option: A

    According to question , we can say that
    Scholars and Students are in similar class , but Teachers are different class from Scholars and Students .
    Hence , Option A represents the best relationship Teachers, Scholars and Students .



  1. Identify the diagram that best represents the relationship among classes given below: Athletes, Sprinters, Marathon Runner









  1. View Hint View Answer Discuss in Forum

    As per the given above question , we can say that
    Sprinters and Marathon Runner both are athletes.
    Some Sprinters can be Marathon Runners also.

    Correct Option: D

    As per the given above question , we can say that
    Sprinters and Marathon Runner both are athletes.
    Some Sprinters can be Marathon Runners also.
    From above it is clear that option D is required answer .


  1. Which one of the following figures best represents the relationship among Kitchen, House and Garden?









  1. View Hint View Answer Discuss in Forum

    According to question , it is clear that
    As Kitchen is in House and Garden is outside the house.

    Correct Option: D

    According to question , it is clear that
    As Kitchen is in House and Garden is outside the house.
    Therefore , option D is required answer .