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How is X related to Y (both are men)? Statement I: X's wife is the sister of Y's wife. Statement II: Y has no brothers. Which statement(s) are sufficient to answer the question?

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

Step-by-Step Solution

Men married to two sisters are brothers-in-law (co-brothers), so I fixes the relation. II gives no linking information.
Answer: B) Statement I alone is sufficient but Statement II alone is not

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