Venn – Diagram – Railway Reasoning part – 5

Total Questions: 50

1. In a group of 36 persons, where each one drinks at least one of tea or milk, 18 persons drink tea but not milk and 22 persons drink tea. How many of them drink milk but not tea? [RRB NTPC 01/03/2021 (Evening)]

Correct Answer: (d) 14
Solution:

Total number of persons = 36 Those who drink milk but not tea = 36 − 22 = 14

2. Select the venn diagram that best represents the relationship between the given classes. [RRB NTPC 02/03/2021 (Morning)]

Train Engine, Electric Train Engine, Diesel Train Engine

Correct Answer: (c)
Solution:Electric engine and Diesel engine are types of engine but there are functional differences between both.

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

Wrestlers, Boxers, Fighters

Correct Answer: (a)
Solution:

4. In the given diagram, the circle represents ‘doctors’, the triangle represents ‘actors’ and the pentagon represents ‘gentlemen’. Which of the following symbols represents those ‘gentlemen’ who are ‘actors’? [RRB NTPC 03/03/2021 (Morning)]

Correct Answer: (a) * ^
Solution:

Gentlemen who are actors are represented by the common region in both triangle and pentagon, and it is represented by the symbol given in option A.

5. Select the Venn diagram that best represents the relationship between computers, desktops and laptops. [RRB NTPC 04/03/2021 (Morning)]

Correct Answer: (c)
Solution:

6. Select the option that correctly represents the given classes. [RRB NTPC 04/03/2021 (Evening)]

Brass, Copper, Zinc

Correct Answer: (c)
Solution:

The brass is an alloy of copper and zinc .

7. In a group of class, 6 students can speak English, 15 students can speak Hindi and 6 can speak Bengali. Nobody can speak any other language. If 2 students in the class can speak two languages and one person can speak all the three languages, then how many students are there in the class? [RRB NTPC 05/03/2021 (Morning)]

Correct Answer: (c) 23
Solution:

8. Select the option that correctly represents the following Venn diagram. [RRB NTPC 05/03/2021 (Morning)]

Correct Answer: (b) Engineers, Graduates, Freelancers
Solution:

9. The following figure is a combination of 4 figures. A,B,C and D. Figure A represents people who are pizza lovers while figure B represents burger lovers. Figure C and D represent noodle and dumpling lovers respectively . According to the figure below. What does region 5 depict ? [RRB NTPC 05/03/2021 (Evening)]

Correct Answer: (b) People who are pizza, noodle and dumpling lovers.
Solution:

Figure 5 represents people who are pizza, noodle and dumpling lovers.

10. Select the Venn diagram that best represents the relationship between the given set of classes. [RRB NTPC 05/03/2021 (Evening)]

Eagle, Predator, Bird

Correct Answer: (d)
Solution: