7th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-1

  • question_answer
    In the following options matches of inventions/discoveries and inventors/discoverers are given. You have to find out the incorrect match.

    A)  Crossword Puzzle-Arthur Wynne

    B)  CT Scan-Hounsfield

    C)  Electric Washing Machinc-Alva J. Fisher

    D)  Motorcycle-Johan Waker

    E)  None of these

    Correct Answer: D


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