Data Sufficiency — Relationships: B is the brother of A. How is A related to B (male/female)? Statement I: A is the sister of C. Statement II: E is the husband of A. 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
GoalEstablish A's gender to state A's relation to B.
Statement IA is the sister of C ⇒ A is female ⇒ with B given male as brother of A, A is B's sister.
Statement IIE is the husband of A ⇒ A is female ⇒ hence A is B's sister.
ConclusionEach statement alone suffices.
Final AnswerEither statement I or statement II alone is sufficient.