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     EduGorilla 
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    All people in a certain island are either ‘Knights’ or ‘Knaves’ and each person knows every other person’s identity. Knights NEVER lie, and Knaves ALWAYS lie.
    P says “Both of us are knights”. Q says “None of us are Knaves”.
    Which one of the following can be logically inferred from the above?

    Options :-

    1. Both P and Q are knights
    2. P is a knight; Q is a knave
    3. Both P and Q are knaves
    4. The identities of P, Q cannot be determined
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