Showing the man receiving the priza, Saroj said, "He is the brother of my uncle's daughter."
Who is the man to Saroj ?
A + B means A is the daughter of B ;
A x B means A is the son of B and
A - B means A is the wife of B.
Pointing to a photograph, a person tells his friend, "She is the grand daughter of the elder brother of my father."
How is the girl in the photograph related to his man ?