Pointing to a lady on the platform,Anju said,'She is the sister of the father of my mother's son'. Who is the lady to Anju?

$A$ family consists of six members $P, Q, R, X, Y$ and $Z$. $Q$ is the son of $R$ but $R$ is not the 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 $P$.
How many female members are there in the family?

Study the following information carefully to answer these questions.
$(i)$ $P \times Q$ means $P$ is brother of $Q$.
$(ii)$ $P - Q$ means $P$ is sister of $Q$.
$(iii)$ $P + Q$ means $P$ is father of $Q$.
$(iv)$ $P \div Q$ means $P$ is mother of $Q$.
How is $T$ related to $D$ in the expression:
$H + T \div R - D?$

$A$ is the father of $C$. But $C$ is not his son. $E$ is the daughter of $C$. $F$ is the spouse of $A$. $B$ is the brother of $C$. $D$ is the son of $B$. $G$ is the spouse of $B$. $H$ is the father of $G$. Who is the grandmother of $D$?

Lakshmi and Meena were Rohan's wives. Shalini is Meena's step-daughter. How is Lakshmi related to Shalini?

There is a family of six persons $A, B, C, D, E,$ and $F$. They are lawyer,doctor,teacher,salesman,engineer,and accountant. There are two married couples in the family. $D$,the salesman,is married to the lady teacher. The doctor is married to the lawyer. $F$,the accountant,is the son of $B$ and brother of $E$. $C$,the lawyer,is the daughter-in-law of $A$. $E$ is the unmarried engineer. $A$ is the grandmother of $F$. Which of the following is one of the couples?