Question

    Statements: All males are females.

    > All females are men. No man is a woman. All women are Girls. Conclusions: I. No man is a girl. II. Some girls are not men. III. No male is a woman. IV. All Girls may be women. In each of the questions below are given four statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.
    A Only I and II follow Correct Answer Incorrect Answer
    B Only II, III and IV follow Correct Answer Incorrect Answer
    C Only I, II and III follow Correct Answer Incorrect Answer
    D All follow Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    No man is woman (E) + All women are Girls.(A) = Some Girls are not men (O*). Hence, conclusion I will not follow but conclusion II will follow. All males are females (A) + All females are men (A) = All males are men (A) + No man is woman (E) = No male is a woman (E). Hence, conclusion III will follow. All women are Girls (A) ⇒ Conversion ⇒ Some girls are women (I) ⇒ Probable conclusion ⇒ All Girls may be women (A). Hence, conclusion IV also follows.

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