In the following diagram, three classes of populations are represented by three figures. The triangle represents the school teachers, the square represents the married persons and the circle represents the persons living in joint families.Persons who live in joint families, are unmarried and who do into work school teachers are represented by(A) C (B) B (C) E (D) D

In the following diagram, three classes of populations are represented

1.	In the following diagram, three classes of populations are represented by three figures. The triangle represents the school teachers, the square represents the married persons and the circle represents the persons living in joint families.Persons who live in joint families, are unmarried and who do into work school teachers are represented by(A) C (B) B (C) E (D) D
Answer» (C) Persons living in joint families are represented by the circle. According to the given conditions, the persons should be unmarried and not working as school teachers. So, the region should not be a part of either the square of the triangle. Thus, the given conditions are satisfied by the regions E.