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Question

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster 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.)

The correct answer is
UYW

Finding the Odd Letter Cluster Based on Alphabetical Order

This question requires us to identify a pattern in letter clusters based on their position in the English alphabet. Three of the given four clusters follow a specific rule regarding the sequence of their letters, while one does not. We need to find that unique cluster that does not belong to the group.

Analyzing Letter Cluster Patterns

The first step is to determine the numerical position of each letter in the standard English alphabet (A=1, B=2, C=3, ..., Z=26). Then, we calculate the difference in positions between consecutive letters within each cluster to find a consistent pattern.

Cluster Letters Positions Difference 1 (Letter 2 - Letter 1) Difference 2 (Letter 3 - Letter 2) Observed Pattern
VYX V, Y, X $22, 25, 24$ $25 - 22 = +3$ $24 - 25 = -1$ (+3, -1)
UYW U, Y, W $21, 25, 23$ $25 - 21 = +4$ $23 - 25 = -2$ (+4, -2)
ZCB Z, C, B $26, 3, 2$ $Pos(C) - Pos(Z) = (3 + 26) - 26 = +3$
(Note: Calculation wraps around from Z to A)
$2 - 3 = -1$ (+3, -1)
LON L, O, N $12, 15, 14$ $15 - 12 = +3$ $14 - 15 = -1$ (+3, -1)

Identifying the Outlier Cluster

After calculating the positional differences, we can see the following:

  • Three of the letter clusters (VYX, ZCB, LON) follow the same pattern: The second letter is 3 positions after the first letter in the alphabet ($+3$), and the third letter is 1 position before the second letter ($-1$). For ZCB, the step from Z to C requires wrapping around the end of the alphabet.
  • The cluster UYW deviates from this pattern. It follows a sequence where the second letter is 4 positions after the first ($+4$), and the third letter is 2 positions before the second ($-2$).

Because three clusters share the specific (+3, -1) alphabetical sequence, the cluster UYW is the one that does not belong to the established group.

Conclusion on the Odd Letter Cluster

Based on the analysis of alphabetical order and positional differences, the letter cluster UYW is the odd one out.

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Important Questions from Classification (Notes)

  1. Find the odd one out
  2. Consider the following four words, out of which three are alike in some manner and one is different.
    (A). Arrow
    (B). Missile
    (C). Sword
    (D). Bullet
    Choose the combination that has alike words.
  3. Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster 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. 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 letter-cluster 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.)
  5. 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 letter-cluster 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.)
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