Abhay said to a lady sitting in a car, "The only daughter of the brother of my wife is the sister-in-law of the brother of your sister." How the husband of the lady is related to Abhay?

Mukesh said to his friend, "Rita is the mother of my son's wife's daughter". How is Mukesh related to Rita?

Pointing to a man in a photograph, a woman said, "His brother's father is the only son of my grandfather." How is the woman related to the man?

Introducing Sonia, Aamir says, "She is the wife of only nephew of only brother of my mother." How Sonia is related to Aamir?

P is the mother of K; K is the sister of D; D is the father of J. How is P related to J?

P+Q' means P is the daughter of Q, 'P-Q' means P is the husband of Q, and 'P×Q' means P is the brother of Q. Which is true for A+B×C?