Blood Relations Questions

Pointing towards a boy, a girl says, "He is the only son of my mother's brother". How is the girl related to the boy ?

If 'U' is the husband of 'V', 'V' and 'W' are daughters of 'X', 'Y' is the husband of 'X', then 'Y' is the ____ of 'U'.

P and Q are brothers. P is the father of S. R is the only son of Q and is married to U. How is U related to S?

If A is the mother of B and K, D is the husband of A. E is the son of D's brother. What is the relation of A with E

How is Sameer related to Akbar if Sameer introduced Akbar as his maternal grandmother's only son's son?

Mathur's uncle's daughter's brother is Salmi. How is Sonm related to Mather? 

A is D's brother. D is B's father. B&C are sisters. How is C related to A?

Rajaram's son's sister's mother is Ramani. How is Ramani related to Rajaram?