Out of the four figures that follow,you are to indicate which figure will best represent the relationship amongst the three classes: Authors,Teachers,Men.

If animals that live on land and the animals that live in water are represented by two big circles and animals that live in water and on land are represented by a small circle,the combination of these three can be represented as:

In the given figure,the triangle represents girls,the square represents sports persons and the circle represents coaches. The portion in the figure which represents girls who are sports persons but not coaches is the one labelled.

Which one of the following Venn diagrams correctly illustrates the relationship among the classes: carrot,food,vegetable?

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 is the most suitable Venn diagram among the following,which represents the interrelationship among anti-social elements,pickpockets,and blackmailers?