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If each vowel in the word RELATION 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, and then arranged in reverse order of English alphabetical order, then which of the following letters will be fourth from the right in the group of letters thus formed?
Q
P
K
M
K
Identify vowels and consonants first, apply the respective +/- rule to each letter, and then sort the resulting letters in reverse alphabetical order (Z to A) to find the required position.
Identify vowels and consonants first, apply the respective +/- rule to each letter, and then sort the resulting letters in reverse alphabetical order (Z to A) to find the required position.
Analyze and transform each letter
Identify vowels (A, E, I, O, U) and consonants in RELATION. Vowels change to the following letter (+1), and consonants change to the preceding letter (-1): R(Consonant) тЖТ Q, E(Vowel) тЖТ F, L(Consonant) тЖТ K, A(Vowel) тЖТ B, T(Consonant) тЖТ S, I(Vowel) тЖТ J, O(Vowel) тЖТ P, N(Consonant) тЖТ M. The transformed letters are Q, F, K, B, S, J, P, M.
Arrange in reverse alphabetical order
Sort the transformed letters (Q, F, K, B, S, J, P, M) in reverse alphabetical order (Z to A): S, Q, P, M, K, J, F, B.
Find the required position
Count 4th from the right in the sequence (S, Q, P, M, K, J, F, B): 1st is B, 2nd is F, 3rd is J, and 4th is K.
A: Q is incorrect because Q is the 7th letter from the right in the sorted sequence. B: P is incorrect because P is the 6th letter from the right. D: M is incorrect because M is the 5th letter from the right.
C is correct because arranging the transformed letters (Q, F, K, B, S, J, P, M) in reverse alphabetical order gives S, Q, P, M, K, J, F, B, and the fourth letter from the right is K.
Pay careful attention to whether the question asks for counting from the left or from the right after rearranging.
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