Question : Directions: The given Venn diagram best represents the relationship between which set of classes, given in the options.
Option 1: Sisters, Females, Mothers
Option 2: Males, Fathers, Sons
Option 3: Fathers, Males, Doctors
Option 4: Engineers, Brothers, Males
Correct Answer: Males, Fathers, Sons
Solution :
Let's check each option –
First option:
Sisters, Females, Mothers; All sisters and all mothers are females and some mothers can be sisters so there is some common region between females and sisters. Therefore, this is incorrect.
Second option:
Males, Fathers, Sons; All fathers and sons are males and all fathers are sons. Therefore, this is correct.
The Venn diagram is as follows –
Third option:
Fathers, Males, Doctors; All fathers are males and some males and fathers can be doctors. Therefore, this is incorrect.
Fourth option:
Engineers, Brothers, Males; All brothers are males and some engineers can be males as well as brothers. Therefore, this is incorrect.
Hence, the second option is correct.
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