In a village of Bastar district in Madhya Pradesh, only two types of people live who belong to a tribal class. The first type is known as class A, while the other is known as class B. In that village, there is no other type of person except these two. The activities of both types of people are governed be prefectly patterned norms of social behaviour. Each person of the tribe has to obey the norms. They are rigid about this. As far as marriage is concerned, the following norms are to be followed (A). The people of class A cannot marry any other member of their own class, though they can marry members of class B. (B). After being married, each male member ceases to be a member of that class in which he was born but automatically, he becomes the member of the other class to which his wife belongs. (C). As far as females are concerned, they remain the members of their own class after being married. (D). On his birth, the child automatically becomes the member of his mother's class. (E). When any male member becomes widower or divorcee, then he again belongs to the group in which he was born. (F). Nobody can marry more than one person according to social laws.
One boy, who was born in class B (boy and his wife both can have married and unmarried brothers),
A family consists of six members P, Q, R, S, T and U. There are two married couples. Q is a doctor and the father of T. U is grandfather of R and is a contractor. S is grandmother of T and is a housewife. There is one doctor, one contractor, one nurse, one housewife and two students in the family.
Which of the following are two married couples ?
A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P.
Who is the father of Q ?
A family consists of six members P, Q, R, S, T and U. There are two married couples. Q is a doctor and the father of T. U is grandfather of R and is a contractor. S is grandmother of T and is a housewife. There is one doctor, one contractor, one nurse, one housewife and two students in the family.
Who is the sister of T ?