Each vowel in the word MANAGER is changed to the letter immediately following it in the English alphabetical order, and each consonant is changed to the letter immediately preceding it in the English alphabetical order. Which of the following letters will appear exactly twice in the group of letters thus formed?
F
MANAGER has vowels A, A, E and consonants M, N, G, R.
Vowel → next letter: A → B, A → B, E → F.
Consonant → previous letter: M → L, N → M, G → F, R → Q.
The transformed group is L, B, M, B, F, F, Q. The letter that appears exactly twice is F (B appears twice too, but B is not in the options).
Hence, F.
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