Study the given diagram carefully and answer the question. The numbers in different sections indicate the number of persons in a room. (NOTE: You have to take the given data to be true even if it seems to be at variance from commonly known facts.) How many such engineers are there who are also athletes but not teachers?
24
The question asks for engineers who are also athletes but not teachers, which is exactly the region where the Athletes and Engineers circles overlap, excluding the Teachers circle.
From the given diagram, the region Athletes∩Engineers only (not Teachers) is directly given as 24.
Hence, the number of engineers who are also athletes but not teachers is 24.
Study the diagram and identify the region representing teachers who are Chinese but not Indian.
Study the diagram and identify the region representing teachers who are Indian and Chinese.
Study the diagram and identify the region representing teachers who are Indian but not Chinese.
In the following diagram, A contains all the people who like chocolate, B contains all the people who like ice-cream and C contains all the people who like candy. What does the shaded area represent?

How many stars are both Tyres and Pen?

In the following figure, square represents Priests, triangle represents singers, circle represents Therapists and rectangle represents Indians. Which set of of letters represents Indians who are not priests?

Study the given diagram carefully and answer the question. The numbers in different sections indicate the number of persons.

How many such medallists are there who are also Indians?
Study the given diagram carefully and answer the question. The numbers in different sections indicate the number of persons.

How many Africans are there who are also authors?
Identify the diagram that best represents the relationship among classes given below: Universe, Stars, Sun
Which one of the following diagrams represents the relationship between Insects, Flies and Dogs?