how many such letters pairs r in word FRONTIER having same no. of letters left between them in the word as they have in the series

• here the question is simple
  the no of letters between the specific two letters when we write in the alphabetical order should be same as the number of letters between those two letters in the given word
  two are possible
  1)letters 'o' and 'n'
  2)'n' and 'r'......( middle letters are o,p,q i.e 3 letters in alphabetical order & in the given word t,i,e i.e 3 letters)
  
  so 2 such pairs are possible
• 11 years agoHelpfull: Yes(31) No(6)
• 6 18 15 14 20 9 5 18
  F R O N T I E R
  O-N DIFFERENCE IS 1 SAME AS ALPHABET
  N-R DIFFERENCE IS 4 SAME AS NO OF LETTER BETWEEN N&R IS 4 SAME AS DIFFERENCE
• 10 years agoHelpfull: Yes(8) No(0)
• there are 2 pairs.
  1)ON
  2)NTIER=NOPQR
  so NR
• 11 years agoHelpfull: Yes(3) No(0)
• only 1 i.e ON
  there is no word between O and N in the alphabet as well as in the given word FRONTIER.
• 10 years agoHelpfull: Yes(0) No(1)