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    Question

    In a certain code language:  - A & B means 'A

    is the son of B',  - A + B means 'A is the brother of B',  - A # B means 'A is the wife of B',  - A ¸ B means 'A is the father of B'.                Question: How is M related to L if 'P + M ¸ K # L & E'? 
    A Wife's mother Correct Answer Incorrect Answer
    B Sorts wife Correct Answer Incorrect Answer
    C Wife's father Correct Answer Incorrect Answer
    D Daughter's husband Correct Answer Incorrect Answer

    Solution

    1. P + M
      → P is the brother of M
    2. M ¸ K
      → M is the father of K
    3. K # L
      → K is the wife of L
      → So, L is the husband of K
    4. L & E
      → L is the son of E
    • P is M’s brother
    • M is K’s father
    • K is L’s wife
    • So, L is M’s son-in-law (because M is the father of K, and K is married to L)
    • That means M is L’s father-in-law
    • And M is his wife’s father
    Answer: C. Wife's father

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