X introduces Y saying, "He is the husband of the granddaughter of the father of my father." How is Y related to X?

Showing a man on the stage , Rita said , " He is the brother of the daughter of the wife of my husband. How is the man on stage related to Rita ?

$\mathrm{A} @ \mathrm{B}$ means A is the sister of B

$\mathrm{A} \$ \mathrm{B}$ means B is the mother of A

$\mathrm{A} + \mathrm{B}$ means A is the brother of B

$\mathrm{A} = \mathrm{B}$ means B is the father of A.

Which of the following means M is the maternal uncle of N?

$\mathrm{M} \times \mathrm{N}$ means M is the daughter of N;

$\mathrm{M} + \mathrm{N}$ means M is the father of N;

$\mathrm{M} \% \mathrm{N}$ means M is the mother of N

$\mathrm{M}-\mathrm{N}$ means M is the brother of N.

Given that $\mathrm{P} \% \mathrm{Q} + \mathrm{R}-\mathrm{T} \times \mathrm{K}$ , what is the relation of $\mathrm{P}$to $\mathrm{K}$?

Pointing towards a girl, Abhishek says, “This girl is the only daughter of  the only child of my father.” What is the relation of Abhishek's wife to that girl?

A $\$$ B means B is the father of A;

A $\#$ B means B is the mother of A;

A $\&$ B means B is the sister of A

A $@$ B means B is the husband of A

Which of the following indicates that N is the grandmother of P?