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    Question

    In each question below are given two statements followed by two conclusions numbered I and II. You have to take the two given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts. Give Answer:

    Statements:

    Some duck are goose

    No goose is a hen

    Conclusions:

    I. All goose are duck

    II. Some hen are not duck.

    A If only conclusion I follows Correct Answer Incorrect Answer
    B If only conclusion II follows Correct Answer Incorrect Answer
    C If either I or II follows Correct Answer Incorrect Answer
    D If neither I nor II follows Correct Answer Incorrect Answer

    Solution

    Some duck are goose (I) ⇒ Conversion ⇒ Some goose are duck (I). Hence, conclusion I will not follow. Some duck are goose (I) + No goose is a hen (E)  ⇒ Some duck are not hen(O). H ence, conclusion II will not follow.

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