Polynomials related Questions by Balaji

  • 8August
  • 2014
  • 12
    6.1k
    N has p factors



    2N has 2p factors



    3N has 4P/3 factors 



    which of the follow could be N?



    a) 36



    b) 38



    c) 40



    d) 45





    answer choice d



    solution



    no of factor of N = (a+1)(b+1)(c+1)


    no of factor of 3N = (a+2)(b+1)(c+1)







    (a+2)/(a+1)


    =4/3





    a=2











    N is odd  no that multiple of 9 




     



     



    Messages In This Thread
    Polynomials related question phase-2 - by Balaji - 08-08-2014, 11:15 PM
    Polynomials related question phase-3 - by Balaji - 08-08-2014, 11:21 PM
    Polynomials related question phase-4 - by Balaji - 08-08-2014, 11:26 PM
    Probability related question phase-1 - by Balaji - 08-08-2014, 11:47 PM
    Number theory related question phase-7 - by Balaji - 08-08-2014, 11:51 PM
    Polynomials related question phase-8 - by Balaji - 08-08-2014, 11:56 PM