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How is X related to Y? Statement I: X is the child of Z, and Z is a friend of Y. Statement II: X is the mother of Y's father. Which statement(s) is/are sufficient to answer?

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 links X only through a friend, giving no blood relation. II makes X the mother of Y's father, i.e. Y's paternal grandmother.
Answer: D) Statement II alone is sufficient but Statement I alone is not

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