2. Sample Papers
  3. Railways
  4. Quantitative Aptitude
  5. LCM & HCF

Railways Quantitative Aptitude LCM & HCF Sample Paper HCF and LCM Sample Test Paper-2

  • question_answer
    Four runners started running simultaneously from a point on a circular track they took 200 sec, 300 sec, 360 sec and 450 sec to complete one round, after how much time do they meet at the starting point for the first time?

    A)  1800 sec          

    B)  3600 sec

    C)  2400 sec          

    D)  4800 sec

    Correct Answer: A

    Solution :

    [a] Required time = LCM of 200, 300, 360, 450 sec = 1800 sec.


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