1 Answers

Option 1 : Statement I and II together are not sufficient

  • The question is asking about D's relation with F.
  • For this, we must know the gender of D.

Statement I: B has two sisters E and F.

Mistake Points'B has two sisters E and F.' doesn't specify that B has only 2 sisters. Had the word only been given in the sentence, we could have concluded that D.

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