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Which of the following letter-clusters does not belong to the group: (A) ACE, (B) GIK, (C) MOQ, (D) SUX?
ACE
GIK
MOQ
SUX
SUX
Convert letters to their numerical positions (A=1, B=2, Z=26) and check the constant difference between consecutive letters in each triplet.
Convert letters to their numerical positions (A=1, B=2, Z=26) and check the constant difference between consecutive letters in each triplet.
Analyze positional indices
Convert each letter-cluster into numerical form based on alphabetical order: A=1, C=3, E=5; G=7, I=9, K=11; M=13, O=15, Q=17; S=19, U=21, X=24.
Calculate differences between letters
Option A: 3-1=2, 5-3=2 (Pattern +2, +2). Option B: 9-7=2, 11-9=2 (Pattern +2, +2). Option C: 15-13=2, 17-15=2 (Pattern +2, +2). Option D: 21-19=2, 24-21=3 (Pattern +2, +3).
A: Follows the +2, +2 pattern consistently. B: Follows the +2, +2 pattern consistently. C: Follows the +2, +2 pattern consistently.
D is correct because it is the only option where the difference between the second and third letter is 3, whereas all other options maintain a constant difference of 2.
Always check for internal consistency within groups first; if three options share a mathematical pattern and one does not, the outlier is the answer.