In a class, there are 80 students who study both Computer Science and Electronics. While 100 students study Computer Science, 120 Students study Electronics, How many of them study Computer Science only? 

An interview of 60 persons to know whether they play Tennis Chess or Carrom was conducted . The data so obtained has been summarized in a pictorial diagram as shown. Study the diagram and answer the question, how many persons do not play any game?

In the following figure, how many educated people are employed? 

In a group of 100 people, 50 people like to eat Chicken and 25 people like to eat both Chicken and Mutton. Everyone in the group likes at least one of the two. How many people like mutton only -

In a hall of 80 members, 45 members like Lavani, 55 members like Tamasha, 10 members like neither of the two. Then the number of members in the hall who both like is -

Which Venn diagram best represents the given set of classes?

Married persons, government employees, teachers

Select the Venn diagram that best illustrates the relationship between the three given classes.
School, Teacher, Student

Study the diagram below and identify the region representing girls who are employed but unmarried.