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 fruits are plant products. All mangoes are fruits. Conclusions:
    I. All mangoes are plant products
    II. Some fruits are mangoes

    A) Only conclusion I follows

    B) Only conclusion II follows

    C) Either I or II follows        

    D) Neither I nor II follows

    E) Both I and II follow

    Correct Answer: E

    Solution :

    Explanation Option [e] is correct. Since both the premises are universal and affirmative, the conclusion must be universal affirmative and should not contain the middle term. So I follows. II is the converse of the second premise, so it also holds.


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