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Select the missing letter-cluster: BDF, HJL, NPR, ?
TVX
TUX
VXZ
TVZ
TVX
Track the position of the first letter of each cluster (increasing by +6) and maintain the internal +2 step increment for consecutive letters.
Track the position of the first letter of each cluster (increasing by +6) and maintain the internal +2 step increment for consecutive letters.
Analyze Internal Cluster Pattern
Each given cluster (BDF, HJL, NPR) consists of letters with an internal gap of +2 positions (B to D is +2, D to F is +2; same for H-J-L and N-P-R).
Track Inter-Cluster Progression
Examine the first letter of each cluster: B (2), H (8), N (14). The difference is +6 each time. Continuing this pattern, N (14) + 6 = 20, which corresponds to the letter T.
Form the Final Cluster
Starting with T (20) and applying the internal +2 pattern yields T, V (22), and X (24), which gives the letter-cluster TVX.
B: TUX is incorrect because U is only +1 from T breaking the internal +2 pattern. C: VXZ is incorrect because it starts with V instead of T. D: TVZ is incorrect because the last letter Z has an incorrect gap.
A is correct because the first letters follow a +6 gap and each cluster maintains a consistent +2 internal letter progression, resulting in TVX.
Always evaluate both inter-cluster jumps and intra-cluster intervals simultaneously to quickly spot complex letter series patterns.
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