blood relation tree - Interview Questions

blood relation tree

Pointing to a girl, Mihir said, “She is the only daughter of mygrandfather’s only child.” How is the girl related to Mihir ?

Answer : C . Sister

If ‘A x D’ means ‘A is the sister of D’, ‘A + D’ means ‘D is the daughter of A’ and ‘A ÷ D’ means ‘A is the mother of D’, then how will ‘N is the aunt of M’ be denoted ?

Answer : D . N X L ÷ M