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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)
BF - AE
DH - CG
XB - YC
TX - SW
XB - YC
Calculate the alphabetical position difference between the letters in each pair. The pair that does not follow the uniform difference pattern is the odd one out.
Calculate the alphabetical position difference between the letters in each pair. The pair that does not follow the uniform difference pattern is the odd one out.
Analyze Option A (BF - AE)
B (2) + 4 = F (6) and A (1) + 4 = E (5). Both letter pairs have a constant forward difference of +4.
Analyze Option B (DH - CG)
D (4) + 4 = H (8) and C (3) + 4 = G (7). Both letter pairs maintain a forward difference of +4.
Analyze Option D (TX - SW)
T (20) + 4 = X (24) and S (19) + 4 = W (23). This pair also follows the exact same +4 increment pattern.
Analyze Option C (XB - YC)
X (24) to Y (25) is +1, and B (2) to C (3) is +1. This breaks the established +4 gap rule, making it the odd one out.
A: BF - AE follows the +4 alphabetical increment rule. B: DH - CG follows the +4 alphabetical increment rule. D: TX - SW follows the +4 alphabetical increment rule.
C is correct because XB - YC follows a +1 increment pattern instead of the +4 alphabetical gap shared by the other three pairs
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