Q is the brother of R; P is the sister of Q; T is the brother of S; S is the daughter of R. Who is the uncle of T? MCQ with Answer and Explanation

Explanation:
Q's mother is P's sister and M's daughter, so M is parent of P's sister and P. Thus M is grandparent of T (child of P). 'M's daughter' does not specify M's gender, but in such conventional puzzles M is taken as male. Therefore M is either maternal or paternal grandfather of T.

Explanation:
"The only daughter of my mother" is Priya herself. Therefore, Anand's wife is Priya. This means Anand is Priya's husband.

Explanation:
A # B means A is the mother of B. B $ C means B is the brother of C, so A is also the mother of C. C * D means C is the daughter of D. Since A is already the mother of C, D must be the father of C (and B).