Pointing towards a boy, Ranjita said, “He is my husband's father-in-law's only daughter's son's father's only sister's son”. How is that boy's mother related to Ranjita's husband?
Sister
Family Tree :-

Family Tree :

∴ Here, the boy's mother is the sister of Ranjita's husband.
Therefore, the correct answer is "sister".
A is the husband of B, C is the mother-in-law of B, D is the father of A, E is the mother of D, F is the mother of C and G. If H is the father of D, then what is the relation of H with E?
Neeraj pointed at a photo of a lady and said, "She is the daughter of my paternal grandfather's only son. What is the relation of Neeraj with the lady in the photo?
If my sister's mother-in-law's only son is Devika's father, how is Devika's paternal grandfather related to my sister?
If Samaira is the daughter of my father's mother's only son, how is Samaira related to me?
P, Q, R, S, T and U are six members in a family. P is the husband of Q. U is the brother of Q. R is the son of the only brother of Q. S is the sister of T. P is the father of S. How is U related to T?