What's the missing letter?

J ? M A M J J A S O N D

• J--->10th English alphabet;
  M--->13th alphabet
  A-->1st alphabet
  S--->19th alphabet
  O--->15th alphabet
  N--->14th alphabet
  D--->4th alphabet
  J ? M A M J J A S O N D
  10 ? 13 1 13 10 10 1 19 15 14 4
  Let x=?
  Sum of first six terms = Sum of last six terms
  10+x+13+1+13+10=10+1+19+15+14+4----->47+x=63--->x=16
  So x=16th alphabet---->x=?=P----->Ans: P
• 11 years agoHelpfull: Yes(5) No(1)
• these are the first letter of the english month .
  jan
  feb
  mar
  apr
  may
  jun
  jul
  aug
  sep
  oct
  nov
  dec...
  The answer is F
• 11 years agoHelpfull: Yes(2) No(0)
• this is ridiculous
  
• 11 years agoHelpfull: Yes(1) No(0)
• are you serious???
• 11 years agoHelpfull: Yes(0) No(0)