Logical Venn Diagram - Analysing Given Venn Diagram


 
 
Concept Explanation
 

Logical Venn Diagram - Analysing Given Venn Diagram

Analysing Given Venn Diagram: In this type of questions, generally a Venn diagram is given. Each geometrical figure in the diagram represents a certain class. The candidate is required to study and analyse the figure carefully and then answer certain questions regarding the given data.

Illustration: Study the figure given below carefully and answer the question:

Which number belongs to all the figure ?

A. 3          B. 4         C. 6            D. None of these

Answer: D

Solution: Clearly, we have to find a number which lies inside each one of the four figures-triangle, square, oval and hexagon. On analysing the diagram we find that there is no such number which lies in all the four figures.

Hence, the correct option is D.

Illustration: In the figure given below , there are three intersecting circles each representing certain section of people. Different regions are marked a- g. Read the statements in each of the following questions and choose the letter of the region which correctly represents the statement.

Chinese who are painters as well as musicians :

A. a               B.  b             C. c               D. d

Answer: C

Solution: (c) : The required region is the one common to all the three circles i.e. c.

 
 
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