Question

Revisit
Joe and Robert went to the Market, where they met a lady who is the daughter of the Robert's
grandmother's only daughter-in-law and she is also the mother of Joe's father's only grandson
If Robert is the only son of his father, then how is Joe related to Robert?​

Answer 1

Answer:

i think he is her brother .

hope it helps you

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Answer 2

Joe is Robert's brother-in-law.

• Robert's grandmother's only daughter-in-law means Robert's mother. Her daughter i.e. Robert's mother's daughter is Robert's sister.
• Now, Robert's sister is the mother of Joe's father's only grandson. Joe's father's only grandson is his son. As Robert's sister is the mother of Joe's son, it means that Joe is the husband of Robert's sister.
• If Robert's sister is Joe's wife, then Robert and Joe are brothers-in-law.
• So, Joe is Robert's brother-in-law.

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