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Pointing to a photograph of a girl, Devesh said, "She is my wife's sister's mother's only son's daughter". How is Devesh's wife related to that girl's paternal grandfather?

Solution

✅ Correct Option: 4

Wife's sister's mother is the wife's own mother. Her only son is the wife's brother, and his daughter is the girl.

So the girl's father is Devesh's wife's brother, making the girl's paternal grandfather the wife's own father.

Devesh's wife is therefore his daughter.

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