How many such letter-pairs are there in the word FRONTIER having same no. of letters left between them as they have in the series?
Choose the most appropriate option.
A) 2 B) 4 C) 1 D) 3 E) 5
We have to find whether for any letter-pair in this word, the same no. of letters exist between them in the alphabet series as that in this word.   So, consider ON - They are consecutive letters in the alphabet series as well as in this word.   Also consider NR - There exists 3 letter between them in the alphabets as O, P, Q. In this word also, there exists 3 letter between them (T, I, E).   So ans is 2   2NSWER:2
<result>A</result>
How many such letter-pairs are there in the word FRONTIER having same no. of letters left between them as they have in the series?