P is the son of Q's brother R. S is the wife of Q and T is the son of S. How is P related to S?
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Correct answer: (C) Father's brother's son
Explanation
Official answer key: (3) Father's brother's son As written, none of the options is correct. P is the son of R, the brother of Q (S's husband), so to S, P is her husband's brother's son. "Father's brother's son" is how P is related to T (the son of S and Q). Scoring follows the official key.