Pointing to a girl in the picture, Sarita said, " She is the mother of Neha whose father is my son." How is Sarita related to the girl in the picture?

Heena is daughter of Ajay. Mala, Achla’s sister has a son Romi and daughter Sushila. Kamla is maternal  aunt of sushila and mother of Krishna. Romi is cousin of Krishna. Krishna is brother of Heena. How is Achla related to Ajay?

A is B’s daughter; B is C’s mother D is C’s brother. What is the relation of D with A?

If A is the mother of B. C is the son A, D is the brother of E, E is the daughter of B. Who is the grandmother other of D?

Deepak said to Nitin, " That boy playing football is the younger of the two brothers of the daughter of my father's wife. " How is the boy playing football related to Deepak? 

Pointing to a girl in a photograph, Sunita said, "She is the mother of Renu, whose father is my son". How is she(Sunita) related to that girl?

If A + B means A is the brother of B; A - B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?