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    Question

    In the question below there are three statements

    followed by three conclusions I, II and III. You have to take the three given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the three statements disregarding commonly known facts. Statements: All Doctor is Lawyer. Only a few Doctor is Teacher. No Lawyer is Dentist. Conclusion: I. Some Teacher is not Dentist. II. All Teacher being Doctor is a possibility. III. No Doctor is Dentist.
    A Only conclusion II follows Correct Answer Incorrect Answer
    B Only conclusion I and II follow Correct Answer Incorrect Answer
    C Only conclusion I follows Correct Answer Incorrect Answer
    D Only conclusion II and III follow Correct Answer Incorrect Answer
    E All of the above conclusions follow Correct Answer Incorrect Answer

    Solution

    All Doctor is Lawyer (A) + No Lawyer is Dentist (E) → No Doctor is Dentist (E) → Conversion → No Dentist is Doctor (E) + Only a few Doctor is Teacher (I) → Some Teacher is not Dentist (O*). Hence conclusion I and III follow. Only a few Doctor is Teacher → All Teacher may be Doctor (A). Hence conclusion II follows.

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