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Question

Refer to the following letter series and answer the question that follows. Counting to be done from left to right only.
(Left) T S I C X Z O A K L N T E W A K O D F H A G U K (Right)
How many such consonants are there, each of which is immediately preceded by a vowel and also immediately followed by a vowel?

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is
Three

Letter Series VCV Pattern Count

This solution identifies consonants within the given letter series that fit the specific Vowel-Consonant-Vowel (VCV) pattern.

Vowel Consonant Definitions

The standard English vowels are \(A, E, I, O, U\). All other letters in the alphabet are considered consonants.

Series Analysis: Finding VCV

The given letter series is:

\(T S I C X Z O A K L N T E W A K O D F H A G U K\)

The objective is to find consonants that are immediately preceded by a vowel and immediately followed by a vowel.

Step-by-Step Pattern Matching

Follow these steps to count the qualifying consonants:

  • Scan the series from left to right.
  • Identify potential VCV triplets. The middle letter must be a consonant, and the letters immediately before and after it must be vowels.

VCV Pattern Instances Found

By examining the series, we find the following VCV patterns, where the target consonant is highlighted:

  • $E W A$: Here, \(W\) is a consonant. It is preceded by the vowel \(E\) and followed by the vowel \(A\). This instance matches the criteria.
  • $A K O$: Here, \(K\) is a consonant. It is preceded by the vowel \(A\) and followed by the vowel \(O\). This instance also matches the criteria.
  • $A G U$: Here, \(G\) is a consonant. It is preceded by the vowel \(A\) and followed by the vowel \(U\). This instance matches the criteria as well.

Conclusion: Consonant Count

Three consonants (\(W\), \(K\), and \(G\)) meet the condition of being immediately between two vowels.

The total count is Three.

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Important Questions from Alpha-numeric series

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