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  3. 10th Class
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  5. Logical Reasoning

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: Some mangoes are apples. No apple is orange, Conclusions:            
    I. Some apples are mangoes.
    II. Some oranges are mangoes.
    III. Some mangoes are not oranges.
    IV. All oranges are mangoes.

    A) Only I follows                            

    B) Only II and III follow

    C) Only I and III follow       

    D) Only I and II follow

    E) All of follow

    Correct Answer: C

    Solution :

    Explanation Option [c] is correct. Since one premise is particular and the other negative, the conclusion must be particular negative and should not contain the middle term. Thus, III follows. I is the converse of the first premise and so it also holds.


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