
Which of the following diagrams correctly represents the relationship among smokers, bidi smokers, cancer patients.








Important Questions on Venn Diagrams
In a dinner party both fish and meat were served. Some took only fish and some only meat. There were some vegetarians who did not accept either. The rest accepted both fish and meat. Which of the following logic diagrams correctly reflects this situations ?


Which of the following Venn diagrams correctly represents female, mother and doctor?

Which diagram represents language, English and Hindi?


A result of a survey of 1000 persons with respect to their knowledge of Hindi (H), English (E) and Sanskrit (S) is given below.
What is the ratio of those who know all the three languages to those who do not know Sanskrit.?

In the figure, the circle represents youth, the triangle represents footballers and the rectangle represents athletes. Which letter(s) represent(s) athletes among youths who are not footballers?

Four diagrams marked A, B, C and D are given below. The one that best illustrates the relationship among three given classes:
Women, Teachers, Doctors
