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How is C related to D? Statement I: C is the only brother of D's mother. Statement II: D's mother is the sister of C, and C is a male.

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

Step-by-Step Solution

Both statements independently establish that C is the brother of D's mother, i.e. C is D's maternal uncle.
Answer: A) Either statement alone is sufficient

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