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10th Class Mental Ability Logical Reasoning Question Bank Logic

  • question_answer
    Direction: In each of the following questions two statements are given followed by two three or 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 from the commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
    Statements: All parrots are birds. All birds are animals. Conclusions:
    I. All parrots are animals
    II. All animals are birds

    A) Only conclusion I follows

    B) Only conclusion II follows

    C) Either I or II follows        

    D) Neither I nor IS follows

    E) Both I and II follows

    Correct Answer: A

    Solution :

    Explanation Option [a] is correct. Since both the premises are universal and affirmative, the conclusion must be universal affirmative. However, conclusion II being an A-type proposition, distributes the term ?animals?. Since the term ?animals? is distributed in conclusion II without being distributed in any of the premises, so conclusion II cannot follow.


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