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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-17

  • question_answer
    15 ppm is the same as

    A)  15 graims per gallon of water

    B)  15 graims per litre of water

    C)  15 milligrams per litre of water

    D)  15 pounds per ton of water

    Correct Answer: C

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