The positions of the first and the fourth letters of the word FOLDER are interchanged; similarly, the positions of the second and fifth letters and third and sixth letters are interchanged. In the new arrangement thus formed, how many letters are there between the letter which is third from the right and the letter which is second from the left according to the English alphabet?
After rearrangement: DERFOL 3rd letter from right = F 2nd letter from left = E No letter between E and F in english alphabet.
