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If each vowel in the word CONSTRUCTION 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 which of the following letters will be sixth from the right in the group of letter thus formed?
S
B
Q
V
V
Identify vowels and consonants first, apply the respective +/- rule, write out the full transformed word, then count 6 letters from the right.
Identify vowels and consonants first, apply the respective +/- rule, write out the full transformed word, then count 6 letters from the right.
Step 1: Identify Vowels and Consonants
In the word CONSTRUCTION, the vowels are O, U, I (total 3 vowels) and the consonants are C, N, S, T, R, C, T, N (total 8 consonants).
Step 2: Apply the Transformation Rules
Change each vowel to the next letter (+1) and each consonant to the previous letter (-1): C тЖТ B, O тЖТ P, N тЖТ M, S тЖТ R, T тЖТ S, R тЖТ Q, U тЖТ V, C тЖТ B, T тЖТ S, I тЖТ J, O тЖТ P, N тЖТ M. The new word formed is B P M R SQVBSJPM.
Step 3: Find the 6th Letter from the Right
Counting from the right end of 'B P M R S Q V B S J P M': 1st is M, 2nd is P, 3rd is J, 4th is S, 5th is B, 6th is V. Therefore, the letter is V.
A: S is incorrect because S is the 4th letter from the right. B: B is incorrect because B is the 5th letter from the right. C: Q is incorrect because Q is the 8th letter from the right.
D is correct because applying the vowel and consonant rules to CONSTRUCTION yields 'BPMRSQVBSJPM', and counting 6th from the right gives 'V'.
Always write out the full transformed sequence before counting positions to avoid directional confusion between left and right ends.
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