Introducing a woman, Raj said, She is the wife of the only son of my mother-in-law. How is the woman related to Raj?

Question

Introducing a woman, Raj said, She is the wife of the only son of my mother-in-law. How is the woman related to Raj?

1. A. Sister
2. B. Wife
3. C. Sister-in-law (Correct answer)
4. D. Cousin

Correct Answer

Option C — Sister-in-law

Detailed Solution & Explanation

The correct answer is Sister-in-law.

Key Points

• Work through the blood-relation chain from Raj's point of view.
• 'The only son of my mother-in-law' — Raj's mother-in-law is his wife's mother, so her only son is Raj's wife's brother (Raj's brother-in-law).
• 'The wife of that son' is therefore the wife of Raj's brother-in-law, who is Raj's sister-in-law (co-sister).
• solve such puzzles one link at a time — identify 'mother-in-law → her son → his wife' step by step rather than guessing.
• Drawing a small family diagram with the marriage links makes the relationship clear.

Exam Tip

• the phrase 'only son' is deliberate — it guarantees a unique person, so the relation is definite.
• Watch for the common trap of confusing 'son of mother-in-law' (wife's brother) with the speaker himself.