2. Sample Papers
  3. Railways

Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-21

  • question_answer
    Which one of the following is not radioactive?

    A)  Astatine           

    B)  Francium

    C)  Tritium

    D)  Zirconium

    Correct Answer: D

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