2. Sample Papers
  3. 8th Class
  4. General Knowledge

8th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-5

  • question_answer
    Revolving door was invented in 1888. Name the inventor.

    A)  Paul Walden

    B)  Theophilus Van Kannel

    C)  Barnes Walis

    D)  James Watt

    E)  None of these

    Correct Answer: B

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