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How is P related to Q? Statement I: Q's only brother is P. Statement II: P is a male and is a child of Q's father and Q's mother.

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

Step-by-Step Solution

I says P is Q's only brother; II makes P a male sibling of Q, i.e. Q's brother. Either statement alone establishes that P is Q's brother.
Answer: C) Either statement alone is sufficient

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