Question

Pam said to her friend, "Yesterday, I attended the birthday party of the son of the only son-in-law of my mother's
mother". How is Pam related to the man whose birthday party she attended?​

Answer 1

Answer:

Pam's uncle.

uncle as in father's elder/younger brother.

Answer 2

The man whose birthday party Pam attended is her brother.

• In the statement, it is given that Pam attended the birthday party of the son of the only son-in-law of her mother's mother.
• Since Pam's mother's mother has only one son-in-law, it means there is only one daughter of Pam's mother's mother.
• It can be seen that Pam's mother is the only daughter of Pam's mother's mother.
• Now, the husband of Pam's mother will be the only son-in-law of Pam's mother's mother. And, he will also be Pam's father. Let Pam's father be 'F'.
• Since Pam attended the birthday party of F's son. As F is Pam's father as well, implies that F's son will be Pam's brother.
• Thus, the man whose birthday party Pam attended is her brother.

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