LR05 — Blood Relations — Quiz

Introducing a man, a woman says, 'His mother is the only daughter of my mother.' How is the man related to the woman? (AFCAT PYQ)

A is the son of B. C, B's sister, has a son D and daughter E. F is the maternal uncle of D. How is A related to D? (AFCAT PYQ)

M − N means M is wife of N; N + O means N is father of O. In M−N+O, what is O to M? (AFCAT PYQ)