Data Sufficiency — Relationships: How is X related to Y? Statement I: Y and Z are children of D, who is the wife of X. Statement II: R's sister X is married to Y's father. Decide which statements are sufficient to answer the question. Choose the correct sufficiency option.
Verbal Reasoning
Data Sufficiency
Difficulty: Easy
Choose an option
Answer
Correct Answer: Either statement I or statement II alone is sufficient.
Explanation
From Statement ID is X's wife; Y is D's child ⇒ X is Y's father.
From Statement IIX is married to Y's father ⇒ X is Y's mother (spouse of father).Either way, X's relationship to Y (parent) is uniquely determined from each statement alone.
Final AnswerEither statement I or statement II alone is sufficient.