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How is P related to Q? Statement I: P is the son of M, and M is the wife of Q. Statement II: Q is the father of R, and R is the brother of P.

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

Step-by-Step Solution

I gives P is son of M, wife of Q, so P is Q's son. In II, R is P's brother tells R's gender, not P's, so P could be Q's son or daughter.
Answer: A) Statement I alone is sufficient but Statement II alone is not

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