M is the brother of N. N is the father of O. O is the mother of P who is married to Q. Q is the son of R. S is the father of N and married to T. How is T related to O?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Father's mother.
The Family tree from the given information will be :

Thus, T is mother of O's father.