Blood Relation Test - General Questions

A is B's sister. C is B's mother. D is C's father. E is D's mother. How is A related to D?

Rohan's mother is the only daughter of Kamala's father. How is Kamala related to Rohan?

Introducing a girl, Arjun said, "Her mother is the only daughter of my mother-in-law." How is Arjun related to the girl?

A is the father of B. C is the mother of B. D is the brother of A. How is C related to D?

P is the mother of Q. Q is the brother of R. S is the father of P. How is S related to R?