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Question: How is P related to Q? Statement I: P is the brother of R, and R is the son of Q. Statement II: Q is the mother of R.

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

Step-by-Step Solution

From I, P is the brother of R and R is a child of Q, so P is the son of Q. Statement II says nothing about P, so it alone is not sufficient.
Answer: D) Statement I alone is sufficient but Statement II alone is not

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