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How is P related to Q? Statement I: P is the son of Q's mother. Statement II: Q is the daughter of P's father. Which statement(s) is/are sufficient?

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

Step-by-Step Solution

I fixes P as a son (male) of Q's mother, so P is Q's brother. II only tells that Q is P's sister, leaving P's gender (brother or sister) unknown.
Answer: D) Statement I alone is sufficient but Statement II alone is not

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