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If each vowel in the word ELASTIC is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter following it in the English alphabetical order, then which of the following letters will be fourth from the right in the group of letter thus formed?
B
T
M
U
T
Write out the word ELASTIC and apply the rules letter by letter. To find the fourth from the right, count 4 positions from the end of the newly formed string.
Write out the word ELASTIC and apply the rules letter by letter. To find the fourth from the right, count 4 positions from the end of the newly formed string.
Analyze the Given Word and Rules
The given word is ELASTIC. Both vowels (E, A, I) and consonants (L, S, T, C) are changed to the letter immediately following them in the English alphabet (+1 position).
Transform Each Letter
E becomes F, L becomes M, A becomes B, S becomes T, T becomes U, I becomes J, and C becomes D. The new group of letters formed is F M B T U J D.
Find the Fourth Letter from the Right
Counting from the right end (1st: D, 2nd: J, 3rd: U, 4th: T), the fourth letter from the right is T.
A: B is incorrect as it is the fifth letter from the right. C: M is incorrect as it is the sixth letter from the right. D: U is incorrect as it is the third letter from the right.
B is correct because applying the shift of +1 to all letters in ELASTIC yields FMBTUJD, and counting four letters from the right gives T.
Always verify whether the question asks to count from the left or right end of the newly formed sequence to avoid common reversal errors.