'P @ Q' means 'P is the husband of Q' 'P & Q' means 'P is the mother of Q' 'P # Q' means 'P is the wife of Q' 'P × Q' means 'P is brother of Q' If 'A @ B & C × D # E' then how is E related to A?
Explanation:
A @ B → A husband of B. B & C → B mother of C. So C is child of A and B. C × D → C brother of D, so D is sister of C. D # E → D wife of E. Hence E is husband of D (daughter of A), i.e., daughter's husband.
A man pointing to a photograph says, 'The lady in the photograph is my nephew's maternal grandmother.' How is the lady in the photograph related to the man's sister who has no other sister?
Explanation:
The man's nephew's maternal grandmother is the mother of the nephew's mother. Since the man's sister has no other sister, the nephew's mother is the man's sister. Therefore, the lady in the photograph is the mother of the man's sister.
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