11th Class Mental Ability Syllogisms Question Bank Question - Syllogism

  • question_answer
    Direction: Each of the following questions contains two statements followed by two conclusions numbered I and II. You have to consider the two statements to be true, even if they seen to be at variance at the commonly known facts. You have to decide which of the given conclusions definitely follows from the given statements.
    You are to give your answer as: (a) if only I follows ; (b) if only conclusion II follows ; (c) if either I or II follows; (d) if neither I nor II follows and (e) if both I and II follow.
    Statement:  
    A. Some leaves are fruits.
    B. All branches are fruits.
    C. Some roots are branches.
    Conclusions:
    I. Some roots are fruits.
    II. Some branches are leaves.
    III. No leaves are branches.
    IV. Some leaves are roots.

    A) Either II or III and (follows 

    B) Only I follows

    C) Either II or III follows

    D) Only I and III follow

    E) None of these

    Correct Answer: A

    Solution :

    Explanation Option (a) is correct. C + B gives I. Also (I and lit form a complementary pair.


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