2. Sample Papers
  3. 6th Class
  4. General Knowledge

6th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-3

  • question_answer
    Revolving door was invented in 1888. Who invented it?

    A)  Paul Walden                

    B)  The ophilus Van Kannel

    C)  Barnes Wallis                  

    D)  James Watt

    E)  None of these

    Correct Answer: B

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