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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-1

  • question_answer
    The inert gas which is substituted for nitrogen in the air, used by deep sea drivers for breathing is-

    A)  Helium            

    B)         Argon              

    C)         Krypton           

    D)         Xenon             

    Correct Answer: A

    Solution :

    Not available


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