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How is K related to L? Statement I: K is the brother of L's mother. Statement II: K's sister is L's mother. Which statement(s) is/are sufficient to answer the question?

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

Step-by-Step Solution

I fixes K as the brother of L's mother, i.e. L's maternal uncle; in II the gender of K is unknown, so K could be uncle or aunt.
Answer: C) Statement I alone is sufficient but Statement II alone is not

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