In the following Venn diagram, the 'circle' stands for 'Journalists', the 'Triangle' stands for 'Females' and the 'Rectangle' stands for 'Urban residents'. The given numbers represent the number of persons in that particular category. How many journalists are females but NOT urban residents?

Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 18.

The number of journalists who are females but not urban residents = The number that is common to both the triangle and the circle = 18