Venn – Diagram – Railway Reasoning part – 5

Total Questions: 50

21. In the given figure, the circle represents persons who are ‘teachers’, the triangle represents persons who are ‘Students’, the diamond represents persons who are ‘clerks’ and the hexagon represents persons who are ‘lab attendants’. [RRB NTPC 13/03/2021 (Evening)]

Based on the figure, select the region that represents persons who are only teachers.

Correct Answer: (b) C
Solution:

C are only teachers .

22. How many stones are neither Dog nor Cat? [RRB NTPC 13/03/2021 (Evening)]

Correct Answer: (b) 6
Solution:

The stones are neither Dog nor Cat = 6

23. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 14/03/2021 (Morning)]

Birds, Ostriches, Bats

Correct Answer: (a)
Solution:

24. Select the Venn diagram that best represents the relationship between the given set of classes. [RRB NTPC 19/03/2021 (Morning)]

Paragraph, Letter, Word, Sentence

Correct Answer: (b)
Solution:

25. Select the venn diagram that best represents the relationship between the given set of classes: [RRB NTPC 19/03/2021 (Morning)]

Printer, Computer, Machine

Correct Answer: (c)
Solution:

Printers and computers are machines but they are different from each other.

26. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 21/03/2021 (Morning)]

Humans, Birds. Mammals

Correct Answer: (c)
Solution:

Humans are mammals and bird are aves.

27. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 21/03/2021 (Morning)]

Food, Beverage, Fruit, Cola, Juice

Correct Answer: (d)
Solution:

28. Select the Venn diagram that best represents the relationship between the following classes. [RRB NTPC 21/03/2021 (Morning)]

Solids, Liquids, Gasses

Correct Answer: (d)
Solution:

All are states of matter but they are different to each other.

29. In the following diagram, the triangle represents the students who want to have Dosa in their lunch. The rectangle represents the students who want to have sandwich in their lunch.The circle represents the students who want to have pizza in their lunch. The square represents the students who want to have Idli in their lunch. The hexagon represents those students who want to have Puri Sabji at the time of Lunch. [RRB NTPC 21/03/2021 (Evening)]

How many students want to have Dosa, sandwich and pizza, all three in their lunch?

Correct Answer: (d) 25
Solution:

Students want to have Dosa, sandwich and pizza, all three in their lunch are represented by the common region in triangle, rectangle and circle and the number represented is 25.

30. In the following Venn diagram, the rectangle represents engineers, the circle represents the people who live in urban areas and the triangle represents the people who are in government jobs. Which letter represents engineers who live in urban areas and in government jobs? [RRB NTPC 27/03/2021 (Morning)]

Correct Answer: (a) C
Solution:

Engineers, who live in urban areas and in government jobs are the region common in rectangle circle and triangle and represented by the letter c.