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Railways R.R.C. (Kolkata) Solved Paper Held on 2nd Shift 9-11-2014

  • question_answer
    The least number of soldiers that can be arranged 12, 15 and 18 rows having equal number of soldiers and can also be arranged in a solid square is?  

    A) 180                              

    B) 450            

    C) 900                              

    D) 32400          

    Correct Answer: A

    Solution :

    Required number of soldiers = LCM of 12, 15 and 18. = 180


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