A + B means A is the daughter of B ;
A - B means A is the husband of B ;
A x B means A is the brother of B.

If P + Q x R, which of the following is true ?

A. P IS THE NIECE OF R

E is the son of A.
D is the son of B.
E is married to C.
C is B's daughter.
How is D related to E ?

D. BROTHER-IN-LAW

Pointing out to a lady, Rajan said, "She is the daughter of the woman who is the mother of the husband of my mother."
Who is the lady to Rajan ?

A. AUNT

A man said to a lady, " Your mother's husband's sister is my aunt."
How is the lady related to the man ?

D. SISTER

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. Which of the following marriages is not premissible according to the social laws ?

A. ANY GIRL OF CLASS B MARRIES HIS MOTHER'S BROTHER.