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How is P related to R? Statement I: P is the son of Q. Statement II: Q is the sister of R.

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

I links P only to Q; II links Q only to R. Together, P is the son of Q and Q is R's sister, so P is R's nephew — only both together work.
Answer: C) Both statements together are needed (neither alone is sufficient)

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