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Question: How is P related to Q? Statement I: P is the brother of R, and R is the daughter of Q. Statement II: Q is the father of P. Which statement(s) is/are sufficient to answer the question?

Competition practiceData Sufficiency
  • AStatement II alone is sufficient but Statement I alone is not
  • BEither statement alone is sufficient
  • CStatement I alone is sufficient but Statement II alone is not
  • DBoth statements together are needed (neither alone is sufficient)

Step-by-Step Solution

From I: R is Q's daughter and P is R's brother, so P is Q's son (P is male) — sufficient. From II: Q is P's father tells us P is Q's child but not whether P is son or daughter — not sufficient alone.
Answer: C) Statement I alone is sufficient but Statement II alone is not

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