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Refer to the following letter series and answer the question that follows. Counting to be done from left to right only.
How many such vowels are there, each of which is immediately preceded by a consonant and also immediately followed by a consonant?
8
6
5
7
5
Look specifically for the sequence (Consonant-Vowel-Consonant). Ignore vowels that are next to another vowel or at the edges of the string.
Look specifically for the sequence (Consonant-Vowel-Consonant). Ignore vowels that are next to another vowel or at the edges of the string.
Identify Vowels
List all vowels in the series: O, I, I, U, O, I, I. Total 7 vowel occurrences.
Check C-V-C Pattern
Test each vowel: 1) H(O)Z [C-V-CYes], 2) W(I)C [C-V-CYes], 3) G(I)U [C-V-VNo], 4) I(U)S [V-V-CNo], 5) S(O)R [C-V-CYes], 6) Y(I)Y [C-V-CYes], 7) V(I)H [C-V-CYes].
Final Calculation
The valid matches are: (H,O,Z), (W,I,C), (S,O,R), (Y,I,Y), (V,I,H). Total count = 5.
A: 8 is incorrect; it exceeds the actual count of valid CVC clusters. B: 6 is incorrect; the sequence G-I-U-S contains vowels I and U which invalidates those positions. D: 7 is incorrect as it includes all vowels regardless of surrounding letters.
C is correct because a rigorous scan of the provided sequence identifies exactly five vowels (O, I, O, I, I) that are bounded by consonants on both sides.
In 'counting' problems, always write the series horizontally and use small checkmarks for every vowel to ensure no character is skipped or double-counted.
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