Which of the following gives the proper relation of tall men,black haired people,and Indians?

Select from the four alternative diagrams,the one that best illustrates the relationship among the three classes: pigeons,birds,dogs.

In a dinner party,both fish and meat were served. Some ate only fish and some only meat. There were some vegetarians who did not accept either. The rest accepted both fish and meat. Which one of the following logic diagrams correctly reflects the above situation?

In the given diagram,circle $A$ represents teachers who can teach Physics,circle $B$ represents teachers who can teach Chemistry,and circle $C$ represents those who can teach Mathematics. Among the regions marked $p, q, r, s, t, u, v$,the one which represents teachers who can teach Physics and Mathematics but not Chemistry is:

Which of the following diagrams correctly represents Elephants,Wolves,and Animals?

Which one of the following Venn diagrams best illustrates the three classes: rhombus,quadrilaterals and polygons?