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

4th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-2

  • question_answer
    Who invented stereo?

    A)  John Moses Browning           

    B)  Laszlo Biro

    C)  Mikhail Britney                

    D)  Alan Blumlein

    E)  None of these

    Correct Answer: D

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