Each vowel in the word FLOWER is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter preceding it in the English alphabetical order. If each letter, thus formed, is arranged in alphabetical order, which letter will be second from the right?

When Each vowel in the word is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter preceding it in the English alphabetical order.

then it will become:

thus formed, is arranged in alphabetical order,

Then, Q is the second letter from the right end.

Thus, Option A is the correct answer.