Partial Intersection Relation


 
 
Concept Explanation
 

Partial Intersection Relation

Logical Venn Diagrams: This section deals with questions which aim at analysing a candidates ability to relate a certain given group of items and illustrate it diagrammatically. Here are a few different types of Venn diagrams with their implications made clear.

Suppose you are given a group of three items. Then

Partial Intersection Relation:  If two items are partly related to the third, and are themselves independent of each other they are represented by three intersecting circles in a line.

Ex. Dogs, Pets, Cats

Clearly, some dogs and some cats are pets. But all the pets are not dogs or cats. Also dogs and cats are not related to each other. So, the given items would be represented as shown in fig. with circles A representing Dogs, circle B representing Pets and circle C representing Cats.

Illustration: Identify the option which shows the relation between 

Smokers, Lawyers, Non-Smokers

 

A.

 

B.

.

C.

D.

Answer: C

Solution:  Some lawyers can be smokers and may be non smokers hence they are three partially intersecting circles. Hence the correct option is C

 

 

Sample Questions
(More Questions for each concept available in Login)
Question : 1

Three classes are given  indicate which figure will best represent the relationship amongst the three classes.

Smokers, Lawyers, Non Smokers

Right Option : D
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Explanation
Question : 2

Some of the cricket players are tennis players, some tennis players are hockey players, no cricket player is a hockey player.

Which of the following diagrams correctly represents the above statements ?

Right Option : C
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Explanation
Question : 3

Choose the Venn diagram which best illustrates the three given classes:

House, brick, bridge

Right Option : C
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Explanation
 
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