$A + B$ means $A$ is the daughter of $B$. $A - B$ means $A$ is the husband of $B$. $A \times B$ means $A$ is the brother of $B$.
If $P + Q - R$,which of the following is true?

Pointing to a lady,a man said,'The son of her only brother is the brother of my wife'. How is the lady related to the man?

These questions are based on the following information. Study it carefully and answer the questions.
$(i)$ $A \times B$ means $A$ is father of $B$.
$(ii)$ $A \div B$ means $A$ is daughter of $B$.
$(iii)$ $A + B$ means $A$ is sister of $B$.
$(iv)$ $A - B$ means $A$ is husband of $B$.
Which of the following indicates $N$ is mother of $K$?

There are six persons $A, B, C, D$ and $E, F$. $C$ is the sister of $F$. $B$ is the brother of $E$'s husband. $D$ is the father of $A$ and grandfather of $F$. There are two fathers,three brothers,and a mother in the group. How is $F$ related to $E$?

Pointing to a man,a woman said,"His mother is the only daughter of my mother." How is the woman related to the man?

Arun said,'This girl is the wife of the grandson of my mother'. Who is Arun to the girl?