Venn Diagram UPSC Questions

Venn Diagram MCQ Questions

1.

There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. 10 students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English?

UPSC - 2014

A.

21, 11 and 29 respectively

B.

28, 18 and 22 respectively

C.

37, 27 and 13 respectively

D.

39, 29 and 11 respectively

ANSWER :

D. 39, 29 and 11 respectively
There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. 10 students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English?

2.

Out of a total of 120 musicians in a club, 5% can play all the three instruments, guitar, violin and flute. It so happens that the number of musicians who can play any two and only two of the above instruments is 30. The number of musicians who can play the guitar alone is 40. What is the total number of those who can play violin alone or flute alone?

UPSC - 2014

A.

45

B.

44

C.

38

D.

30

ANSWER :

B. 44
Out of a total of 120 musicians in a club, 5% can play all the three instruments, guitar, violin and flute. It so happens that the number of musicians who can play any two and only two of the above instruments is 30. The number of musicians who can play the guitar alone is 40. What is the total number of those who can play violin alone or flute alone?

3.


In the above figure, circle P represents hardworking people, circle Q represents intelligent people, circle R represents truthful people, and circle S represents honest people, Which region represents the people who are intelligent, honest and truthful but not hardworking?

UPSC - 2012

A.

6

B.

7

C.

8

D.

11

ANSWER :

A. 6
In the above figure, circle P represents hardworking people, circle Q represents intelligent people, circle R represents truthful people, and circle S represents honest people, Which region represents the people who are intelligent, honest and truthful but not hardworking?

4.

The number of persons who read magazine X only is thrice the number of persons who read magazine Y. The number of persons who read magazine Y only is thrice the number of persons who read magazine X. Then, which of the following conclusions can be drawn?
1. The number of persons who read both the magazines is twice the number of persons who read only magazine X.
2. The total number of persons who read either one magazine or both the magazines is twice the number of persons who read both the magazines.
Select the correct answer using the code given below:

UPSC - 2015

A.

1 only

B.

2 only

C.

Both 1 and 2

D.

Neither 1 nor 2

ANSWER :

C. Both 1 and 2
The number of persons who read magazine X only is thrice the number of persons who read magazine Y. The number of persons who read magazine Y only is thrice the number of persons who read magazine X. Then, which of the following conclusions can be drawn? 1. The number of persons who read both the magazines is twice the number of persons who read only magazine X. 2. The total number of persons who read either one magazine or both the magazines is twice the number of persons who read both the magazines. Select the correct answer using the code given below:  UPSC - 2015

5.

Find the diagram that show right relation between CAR, WOOD and RAT?

A.

A

B.

B

C.

C

D.

D

ANSWER :

B. B
Find the diagram that show right relation between CAR, WOOD and RAT?

6.

Select the Venn Diagram that best represents the relationship between the following classes.
Men, Women, Teacher.

A.

B.

C.

D.