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Match the following abbreviations with their full forms:
[Not provided]
GMS
IOU
SDF
SDF
Calculate the alphabetical positions and find the gap pattern between the letters in each cluster.
Calculate the alphabetical positions and find the gap pattern between the letters in each cluster.
Analyze Cluster A (QWC)
Q=17, W=23, C=3. 17+6=23, 23+6=29. Since 29-26=3 (C), this follows a +6, +6 pattern.
Analyze Clusters B and C
G(7)+6=13(M), M(13)+6=19(S). I(9)+6=15(O), O(15)+6=21(U). Both follow the +6, +6 pattern.
Analyze Cluster D (SDF)
S(19)+11=30, 30-26=4(D). D(4)+2=6(F). The gaps are +11, +2, which does not match the +6, +6 pattern.
A, B, and C all follow the (+6, +6) alphabetical gap rule, while D (SDF) follows (+11, +2).
D is correct because it is the only letter-cluster that does not follow the (+6, +6) pattern observed in the other three options.
When checking letter clusters, always convert letters to their numerical positions (1-26) to reveal hidden arithmetic patterns quickly.