Pointing to Amit, Anita said, "His mother is the only daughter of my mother". How is Anita related to the Amit?

Read the given information and answer  the question given below.

There are six persons in a family $A, B, C, E$ and $F.$

$\left(i\right) C$ is the sister of $F.$

$\left(ii\right) A$ is the brother of the husband of $E$.

$\left(iii\right) D$ is the father of $A$ and $D$ is the grandfather of $F.$

$\left(iv\right)$ There are two fathers, three brothers and a mother in the family

Who is the mother in the family?

If $\left(\mathrm{i}\right) \mathrm{A} 5 \mathrm{B}$ means $\text{'}\mathrm{A}$ is the husband of $\mathrm{B}\text{'}$

   $\left(\mathrm{ii}\right) \mathrm{A} 4 \mathrm{B}$  means $\text{'}\mathrm{A}$ is the sister of $\mathrm{B}\text{'}$

   $\left(\mathrm{iii}\right)$ $\mathrm{A} 3 \mathrm{B}$ means $\text{'}\mathrm{A}$ is the son of $\mathrm{B}\text{'}$

Then which of the following shows that $A$ is the daughter of $B?$

 $\left(\mathrm{i}\right) \mathrm{P} + \mathrm{Q}$ means $\text{'}P$ is the father of $Q\text{'}$

 $\left(\mathrm{ii}\right) \mathrm{P} \times \mathrm{R}$  means $\text{'}P$ is the brother of $Q\text{'}$

 $\left(\mathrm{iii}\right)$ $\mathrm{P} - \mathrm{Q}$ means $\text{'}P$ is the wife of $\mathrm{Q}\text{'}$

$\left(iv\right) P ÷ Q$ means $\text{'}P$ is the mother of $Q\text{'}$

If $P-R+Q$, which of the following statements is true?

Study the following information carefully and answer the given question.

Five girls Madhu, Arti, Kamla, Rekha and Suman are married to Mahesh, Yogesh, Ravi, Mukesh and Gyan, but not in the same order.

$\left(i\right)$ First letters of the couple are not the same .

$\left(ii\right)$ Arti and Kamla are not married to Yogesh. Suman is not married to Mukesh.

$\left(iii\right)$ Yogesh and Gyan are not Suman's or Madhu's husband

$\left(iv\right)$ Kamla's and Rekha's husband's names do not start with $M$.

Who is Arti's husband ? 

Read the following information carefully and answer the given question.

If $\text{'}A\times B\text{'}$ means $\text{'}A$ is the father of $B\text{'}$

If $\text{'}A+B\text{'}$ means $"A$is the wife of $B\text{'}$

If $\text{'}A÷B\text{'}$ means $\text{'}A$ is the daughter of $B\text{'}$

If $\text{'}A-B\text{'}$ means $\text{'}A$ is the son of $B\text{'}$

How is $L$ related to $Q$ in the expression $L÷M\times O-P÷Q ?$

Read the following information carefully and answer the given question.

If $\text{'}A\times B\text{'}$ means $\text{'}A$ is the father of $B\text{'}$

If $\text{'}A+B\text{'}$ means $"A$is the wife of $B\text{'}$

If $\text{'}A÷B\text{'}$ means $\text{'}A$ is the daughter of $B\text{'}$

If $\text{'}A-B\text{'}$ means $\text{'}A$ is the son of $B\text{'}$

What will come in the place of the question mark to establish that $Q$ is the nephew of $T$ in the expression $Q (?) R÷S\times T ?$