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How is M related to N? Statement I: M is the paternal grandfather of N. Statement II: N is the son of M's son. Which statement(s) are sufficient to answer?

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

Step-by-Step Solution

I states directly that M is N's grandfather. II says N is the son of M's son, which again makes M the paternal grandfather. Each alone answers.
Answer: B) Either statement alone is sufficient

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