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Railways RRB (Assistant Loco Pilot) Solved Paper-2013

  • question_answer
    The second's hand of a watch is 2 cm long. The velocity of its tip is:

    A)  0.21 cm/sec,                

    B)  2.1 cm/sec.

    C)  21 cm/sec,                   

    D)  None of these

    Correct Answer: A

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