There are 9 members M, N, O, P, Q, R, S, T and U, in a joint family. There are three married couples in the family. N is a doctor and the brother of O and P. Q is the mother of S. T is the wife of M, and M is the grandfather of S. O is the only daughter of M. U is the daughter of P and R.
Who is the wife of the doctor?
Family Relationship Logic Puzzle Solution
The question asks to identify the wife of the doctor (N) based on the provided family information.
Analyzing Family Relationships
- N is the doctor and the brother of O and P. Since N is a brother, N is male.
- O is the only daughter of M. This implies O is female.
- Since N is the brother of O, and O is M's *only* daughter, N must be M's son. This also means P, N's sibling, must be male to avoid contradicting O being the *only* daughter. So, P is male.
- T is the wife of M. M and T form a married couple.
- M is the grandfather of S.
- Q is the mother of S. This implies S's parent is a child of M.
- U is the daughter of P and R. This means P and R form a married couple. Since P is male, R must be female.
Identifying Couples and Roles
From the deductions above:
- Couple 1: M and T (Married couple)
- Couple 2: P and R (Married couple, parents of U)
- N is male (the doctor) and is the brother of O and P. M is N's father.
- Q is the mother of S, and M is the grandfather of S. This strongly suggests that N (M's son) is the father of S, making Q the wife of N.
- Couple 3: N and Q (Married couple, parents of S)
Determining the Doctor's Wife
- The doctor is identified as N.
- Based on the family structure derived, Q is the mother of S, and M (N's father) is the grandfather of S. This places Q as the wife of N.
Therefore, the wife of the doctor (N) is Q.
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