2. Sample Papers
  3. 4th Class
  4. General Knowledge

4th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-5

  • question_answer
    Who invented modern ball point pen?                                 

    A)  Laszlo Biro                   

    B)  Otto Blathy                   

    C)  Seth Bouden                

    D)  Sergey Brin                   

    E)  None of these     

    Correct Answer: A

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