The following numbers appear beside each month following a certain logic.

Deduce the logic, and determine the number that should appear next to October.

    January    37
    February   38
    March      15
    April      25
    May        13
    June       24
    July       14
    August     36
    September  39
    October    ?

37  for three  vowels (3*10) and seven letters.

Edited on June 6, 2014, 9:59 am

Posted by Ady TZIDON on 2014-06-06 09:57:47