A, B and C are sisters, D is the brother of E and E is the daughter of B. How is A related to D?

X is the son of Y. Y is Z's wife. W is the father of Z. So Y will be W.

Pointing to a picture, Mahesh says that she is the sister of my son's mother. What is the relation of the person in the photograph to Mahesh?

A is the brother of B. B is the brother of C. D is the father of A. Based on these three statements, which of the following statements cannot be definitely true? 

Sunil has a son Karna and a sister Sangeeta who is the mother of Jagdish and  Vijay. Harnish is jagdish’s maternal uncle. How is Harnish related to Karna?

A woman introduces a man as the son of the brother of her mother. How is the man related to the woman? 

Saloni is the daughter of the only son of Kartik. Nirupama is the mother of Deepak. Yamini’s only son, Ankit, is married to Nirupama. Kartik is the paternal grandfather of Deepak. How is Kartik related to Ankit?

Directions: Read the following information carefully and answer the questions given beside.
G is the mother of F, who is the spouse of D. M is the daughter of D, who is the only brother of C. E is the son of G, who is married to H. A is the niece of C, who has no sister. T is the father of D and has no daughter. V is the sister-in-law of F.  G has only two children. M is the granddaughter of O.

Find the odd one out ?