(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
Analyzing Letter Cluster Pairs Reasoning
The question asks us to identify the letter cluster pair that does not follow the pattern established by the other three pairs, based on English alphabetical order. The note clarifies that the pattern is not related to vowels, consonants, or their positions within the cluster itself.
Identifying the Pattern
We need to examine the relationship between the letters within each pair and between the two pairs in each option. Let's represent the English alphabetical positions:
- A=1, B=2, C=3, ..., Z=26.
We will calculate the difference in position for letters within each cluster and compare the patterns across options.
Step-by-Step Analysis of Options
- Option 1: DF-BD
- DF: D is the 4th letter, F is the 6th. The difference is $6 - 4 = 2$.
- BD: B is the 2nd letter, D is the 4th. The difference is $4 - 2 = 2$.
- Observation: Both pairs (DF and BD) have a difference of 2 letters.
- Option 2: OQ-MO
- OQ: O is the 15th letter, Q is the 17th. The difference is $17 - 15 = 2$.
- MO: M is the 13th letter, O is the 15th. The difference is $15 - 13 = 2$.
- Observation: Both pairs (OQ and MO) have a difference of 2 letters.
- Option 3: UW-SU
- UW: U is the 21st letter, W is the 23rd. The difference is $23 - 21 = 2$.
- SU: S is the 19th letter, U is the 21st. The difference is $21 - 19 = 2$.
- Observation: Both pairs (UW and SU) have a difference of 2 letters.
- Option 4: IK-FK
- IK: I is the 9th letter, K is the 11th. The difference is $11 - 9 = 2$.
- FK: F is the 6th letter, K is the 11th. The difference is $11 - 6 = 5$.
- Observation: The first pair (IK) has a difference of 2, but the second pair (FK) has a difference of 5. This breaks the pattern.
Conclusion
Options 1, 2, and 3 show a consistent pattern where both letter clusters within the pair have the same alphabetical difference (specifically, a difference of 2). Option 4 breaks this pattern because the differences within its two clusters are not the same ($+2$ for IK and $+5$ for FK).
Therefore, the letter cluster pair that does not belong to the group is IK-FK.
Important Questions from Classification (Notes)
- Find the odd one out
- Find the odd one out:
- Based on the English alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that 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.) - Based on the alphabetical order, three of the following four are alike in a certain way and thus form a group. Which one does not belong to that group?
(Note: The odd one out is not based on the number of consonants or vowels or their position in the letter cluster) - 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 is the one that 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.)
