Venn – Diagram – Railway Reasoning part – 4

Total Questions: 50

21. In the given figure, rectangle represents ‘male’ , triangle represents ‘educated’ circle represents ‘urban’ and square represents ‘civil servants’ .What is the count of educated males who hail from urban area? [RRB NTPC 03/02/2021 (Morning)]

Correct Answer: (d) 4
Solution:

From the given diagram it is clear that educated males who are from urban areas are the common region in all triangle, circle and rectangle and is represented by the number 4.

22. Study the following figure and answer the question that follows. [RRB NTPC 03/02/2021 (Evening)]

How many doctors are neither artists nor players?

Correct Answer: (b) 17
Solution:

Doctors who are neither artists nor players is the area only in triangle, and represented by the number 17.

23. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 04/02/2021 (Morning)]

Women, Married women, Lady doctor.

Correct Answer: (b) C
Solution: All married women and lady doctors are women but some married women are lady doctors.

24. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 04/02/2021 (Morning)]

Mothers , Females , Sisters

Correct Answer: (d) C
Solution:

25. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 08/02/2021 (Morning)]

Students , Boys , Swimmers

Correct Answer: (c)
Solution:

Some students are swimmers and boys also.

26. The following figure is a combination of 4 figures, A, B, C, and D. Figure A represents the number of people who drink Coca Cola. Figure B represents the number of people who drink Pepsi. Figure C and Figure D represent the number of people who drink Sprite and Fanta respectively. How many people drink both Pepsi and Sprite but NOT Fanta. [RRB NTPC 08/02/2021 (Morning)]

Correct Answer: (a) 1
Solution:

1 , Only one person drinks both Pepsi and Sprite but NOT Fanta.

27. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 08/02/2021 (Evening)]

Envy, Fear, Emotion

Correct Answer: (c)
Solution:

28. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 08/02/2021 (Evening)]

Books, Textbooks, Novels, Notebooks

Correct Answer: (d)
Solution:

29. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 08/02/2021 (Evening)]

Institutions, Hospital, University

Correct Answer: (c)
Solution:

30. Select the diagram that best represents the relationship between the given set of classes. [RRB NTPC 09/02/2021 (Morning)]

Mammals, Amphibians,Turtles

Correct Answer: (b)
Solution:Turtles and amphibians are in the same category but mammals are different .