Blood Relations Questions

Introducing a man, a woman says, "His son's mother is the only daughter of my mother". How is the man related to the woman?

Spandana is the sister of Raju. How is Raju's father's sister related to Spandana?

Introducing Reeta, Monica said, "She is the only daughter of my father's only daughter." How is Monica related to Reeta?

If P is the brother of the son of Q's son, how is P related to Q?

Ryaan is Vehaan's mother's sister's father's only son's son. How is Ryaan related to Vehaan?

Introducing a girl, Pooja says, "Her mother's son is the nephew of my father". How is the girl related to Pooja?

Introducing a woman, a boy says, "She is the wife of my grandfather's son". How is the woman related to the boy?

Pointing a man, Suraj says, "He is the son of the sister of my father's wife". How is that man related to Suraj?