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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: All lions are cats. All cats are carnivores. Conclusions:            
    I.   Some cats are lions.
    II.   No cat is lion.
    III. Some carnivores are lions.
    IV. All carnivores are lions.

    A) None follows.                

    B) Only I follows.

    C) Only I and II follow.                   

    D) Only I and III follow

    E) All follow

    Correct Answer: D

    Solution :

    Explanation Option [d] is correct. Clearly, it follows that ?All lions are carnivores?. S is the converse of the first premise, while ill is the converse of the above conclusion. So, both I and III hold.


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