Married persons living in joint families but not working as school teachers are represented by

Question

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.

Married persons living in joint families but not working as school teachers are represented by

(A) C 

(B) F 

(C) D 

(D) A

Answer 1

(C) Married persons living in joint families are presented by the region common to the square and the circle i.e., D and B. But, according to the given conditions, the persons should not be school teachers. So, B is to be excluded. Hence, the required condition is denoted by region D.