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?

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.

Which venn diagram shows the relation between male, female and teacher?

Which of the following figures perfectly depicts the relationship between pigeons, birds and dogs?

DIRECTIONS: In the given diagram, circle represents wise men, square represents experienced men, triangle represents teachers. Which region represents teachers who are, wise as well as experienced?