The following Venn Diagram shows Men’s profession as Doctors and Chess Players. How many men are doctors?

To determine the number of men who are doctors, calculate the sum of the numbers that are common to the region of the diagram representing both men and doctors. In the diagram below, the shaded area indicates the intersection of the categories for men, doctors, and chess players. The numbers pertaining to chess players in this overlapping area will be included, as there is no instruction stating that the region related to chess players should be excluded.

Therefore, the number is → 23 + 24 = 47

So, from the above, 47 men are doctors.

Thus, option (a) is the correct answer.