2. Sample Papers
  3. Railways

Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-27

  • question_answer
    Which one of the following metals pollutes the air of a city having large number of automobiles?

    A)  Cadmium        

    B)  Chromium

    C)  Lead   

    D)  Copper

    Correct Answer: C

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