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

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

Step-by-Step Solution

Statement I says R is mother of both P and Q and P is a son, so P is Q's brother - sufficient. Statement II relates only Q to R and says nothing about P, so it is not sufficient.
Answer: D) Statement I alone is sufficient but Statement II alone is not

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