In the following diagram, the circle stands for 'teachers', the rectangle stands for 'part-time workers', and the triangle stands for 'online educators'. The numbers given in the different segments represent the number of persons of that category. How many teachers are online educators and also part-time workers?
19
The least possible Venn diagram for the given representation of segments is as shown below :
∴ Here, '19' teachers are online educators and also part-time workers.
Hence, the correct answer is "19".
Important Questions from Venn Diagram Problems
In a group of 73 friends, 14 friends go to Gym and Karate classes both, whereas 7 friends neither go to Gym class nor to Karate class. If a total of 36 friends go to Gym class, then how many friends go to only Karate class?
In an examination 20% students failed in Mathematics and 15% failed in English. If 10% failed in both and those who passed in both numbered 300, then the total number of students who appeared in the examination was
In the following diagram, the 'circle' stands for 'soldiers', the 'square' stands for 'Indians', and the 'triangle' stands for 'singers'. The numbers given in the different segments represent persons belonging to that category.
Which category is represented by the number '5'?
- In the following diagram, the circle stands for 'policemen', the square stands for 'sportspersons' and the 'triangle' stands for 'tax-payers' the numbers given in the different segments represent the number of persons in that category.
How many policemen are tax-payers but are NOT sportspersons?
The letter that represents the artists who are the doctors and dancers only is
