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Question

This question is based on the following words:
FAT HOG NIP LUX
In each of the words, each vowel is changed to the letter immediately following it in the English alphabetical order and each consonant is changed to the letter immediately preceding it in the English alphabetical order. In how many letter-clusters thus formed, will no vowel appear?

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

Letter Transformation Analysis

Transformation Rule

The problem defines a specific transformation rule for letters:

  • Vowels (A, E, I, O, U) are replaced by the next letter in the English alphabet.
  • Consonants are replaced by the previous letter in the English alphabet.

Applying the Transformation

We need to apply this rule to the given words: FAT, HOG, NIP, LUX.

Let's transform each word step-by-step:

Original Word Transformation Process Transformed Word
FAT F(consonant) → E
A(vowel) → B
T(consonant) → S
EBS
HOG H(consonant) → G
O(vowel) → P
G(consonant) → F
GPF
NIP N(consonant) → M
I(vowel) → J
P(consonant) → O
MJO
LUX L(consonant) → K
U(vowel) → V
X(consonant) → W
KVW

Identifying Clusters Without Vowels

Now, we examine the transformed words (EBS, GPF, MJO, KVW) to count how many contain no vowels (A, E, I, O, U).

  • EBS: Contains the vowel 'E'.
  • GPF: Contains no vowels.
  • MJO: Contains the vowel 'O'.
  • KVW: Contains no vowels.

Final Count

Two letter-clusters, GPF and KVW, do not contain any vowels after the transformation.

Therefore, the number of such letter-clusters is two.

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Similar Questions

  1. Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order? 
    ‘NJM, PLO, RNQ, TPS, ?

  2. Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order? 
    GJF, ILH, KNJ, MPL, ?

  3. Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which pair does not belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter cluster.)
  4. In the word MAJESTIC, each consonant is changed to the letter immediately preceding it in the English alphabetical order and each vowel is changed to the letter immediately succeeding it in the English alphabetical order. How many vowels are present in the new group of letters thus formed?
  5. Each vowel in the word JOURNALIST 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. How many letters will appear exactly twice in the group of letters thus formed?
  6. If each consonant in the word GRAVITY is changed to the letter immediately preceding it in the English alphabetical order and each vowel is changed to the letter immediately succeeding it in the English alphabetical order. How many consonants are present in the new group of letters thus formed?
  7. Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which pair does not belong to that group?
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  8. QLPK is related to IDHC in a certain way based on the English alphabetical order. In the same way, VQUP is related to NIMH. To which of the following options is TOSN related, following the same logic?
  9. Select the triad which follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.
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    JF-MI-PQ
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Important Questions from Alphabet or Word Test

  1. If the order of the letters in the English alphabet is reversed and each letter represents the letter whose position it occupies, then which one of the following represents 'LUCKNOW'?

  2. The series given below contains a sequence of alphabets and numbers. Identify the incorrect combination:

    i. ytbei732btyei

    ii. ytbei732btyei

    iii. ytbe1732btyei

    iv. ytbei732btyei

  3. The series given below contains a sequence of alphabets and numbers. Identify the incorrect combination:

    i. huioi70110ihuoi

    ii. huioi70110ihuoi

    iii. huioi70110ihuoi

    iv. huioi70110ihooi

  4. How many times consonants exceed vowels in the word, ‘ADVANCEMENT’?

  5. Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order? 
    ‘NJM, PLO, RNQ, TPS, ?

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