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

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

Step-by-Step Solution

From I alone we only know P is R's brother; from II alone we only know R is Q's daughter. Together, P is R's brother and R is Q's daughter, so P is Q's son. Both statements together are needed.
Answer: D) Both statements together are needed (neither alone is sufficient)

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