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  3. 10th Class
  4. Mental Ability
  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 watches are machines. Some machines are mobiles. Conclusions:
    I. Some watches are mobiles.
    II. Some mobiles are machines.

    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: B

    Solution :

    Explanation Option [b] is correct. Since the middle term ?machines? is not distributed even once in the premises, no definite conclusion follows. However, II is the converse of the second premise and so it holds.


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