Venn – Diagram – Railway Reasoning part – 3

Total Questions: 50

21. In the given diagram, circle T represents ‘teachers’ , circle S represents ‘students’ and circle P represents ‘principals’. The regions are denoted by the number 1 to 7. Based on the diagram, answer the question given below. [RRB NTPC 11/01/2021 (Evening)]

Select the region that represents principals who are both teachers and students.

Correct Answer: (b) 1
Solution:

From the given diagram principals who are both teachers and students is the number = 1

22. Study the diagram and identify the region representing teachers who are not Indian and not Chinese. [RRB NTPC 12/01/2021 (Morning)]

Correct Answer: (c) 4
Solution:

From the given diagram, it is clear that teachers who are neither Indian nor Chinese are represented by the number 4.

23. Select the venn diagram that best represents the relationship between the following classes: [RRB NTPC 12/01/2021 (Morning)]

Mammals, Horse, Elephants

Correct Answer: (c) 2
Solution:

24. Study the diagram and identify the region representing teachers who are Chinese but not Indian. [RRB NTPC 12/01/2021 (Evening)]

Correct Answer: (a) 2 only
Solution:

From the given diagram it is clear that Teachers who are chinese but not indians are represented by number 2

25. Study the diagram and identify the region representing teachers who are Indian and Chinese. [RRB NTPC 12/01/2021 (Evening)]

Correct Answer: (d) 3 only
Solution:

From the given diagram we observe that Teachers who are Indian and Chinese are represented by number 3 only.

26. Study the diagram and identify the region representing teachers who are Indian but not Chinese. [RRB NTPC 12/01/2021 (Evening)]

Correct Answer: (a) 1 only
Solution:

From the given diagram it can be seen that the teachers who are indians but not chinese is represented by 1 in the diagram.

27. In the following diagram, A represents servicemen, B represents rich men and C represents honest men. Which number represents rich servicemen? [RRB NTPC 13/01/2021 (Evening)]

Correct Answer: (d) 4
Solution:

So, the number representing rich servicemen = 4.

28. Which of the following Venn diagrams best represents the given sets. [RRB NTPC 13/01/2021 (Evening)]

Father , Daughter , Dog

Correct Answer: (b) a
Solution:

The venn diagram that best represents the given sets is given below :

29. Select the Venn diagram that best represents the relationship between the given set of classes . [RRB NTPC 16/01/2021 (Morning)]

Polygons, Quadrilaterals and Triangles

Correct Answer: (a)
Solution:

30. Study the given Venn diagram and answer the question that follows. [RRB NTPC 16/01/2021 (Morning)]

In the given Venn diagram , which part stands for government employees who are honest, intelligent but NOT hardworking?

Correct Answer: (d) f
Solution:

From the above diagram we can see that the government employees who are honest , intelligent but not hardworking are represented by f.