Complete Intersection Relation


 
 
Concept Explanation
 

Complete Intersection Relation

Logical Venn Diagram: 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

Compete Intersection: If the three items are partly related to each other , they are represented as shown in the adjoining figure.

Ex. Clerks, Government Employees, Educated Persons

Clearly, some clerks may be government employees and some may be educated . Similarly, some government employees may be clerks and some may be educated. Also, some educated persons may be clerks and some may be government employees. So, the given items may be represented as shown in fig. with three intersecting circles denoting the three classes.

Illustration: Identify the option which shows the relation between 

Authors , Teachers , Men

 

A.

 

B.

.

C.

D.

Answer: A

Solution:  Some authors may be teachers .Some teachers may be men, Some authors may be men. So, the given items are partly related to each other . Hence the Option A showing three intersecting circle is the correct option.

 

 

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.

Authors, Teachers, Men

Right Option : A
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Explanation
Question : 2

Find out the number of all those people who can speak Tamil and Telugu ?

Right Option : D
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Explanation
Question : 3

Which of the following diagrams indicates the best realtion amongst teacher, parents and guardian ?

Right Option : B
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Explanation
 
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