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?
This question tests your ability to interpret data from a Venn diagram. The diagram shows the overlapping categories of Africans, Authors, and Doctors.

To find the number of Africans who are also authors, we need to look at the section where the "African" circle and the "Author" circle overlap. This section represents the number of individuals who are both African and Authors.
Step-by-Step Solution:
Why other options are incorrect:
Final Answer: The correct answer is 22.
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?
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?
Which of the following diagram represents the relationship among Tall men, Black haired, Indians?