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Select the missing letter-cluster: DWE, FUG, HSI, ?
JQK
JQJ
IRK
IQK
JQK
Track the positional shifts for each letter independently (+2, -2, +2) instead of reading the clusters as whole words.
Track the positional shifts for each letter independently (+2, -2, +2) instead of reading the clusters as whole words.
First Letter Progression
Looking at the first letters D, F, H, they advance by +2 steps alphabetically: D to F is +2, F to H is +2, so H + 2 gives J.
Second Letter Progression
Looking at the second letters W, U, S, they decrease by -2 steps alphabetically: W to U is -2, U to S is -2, so S - 2 gives Q.
Third Letter Progression
Looking at the third letters E, G, I, they advance by +2 steps alphabetically: E to G is +2, G to I is +2, so I + 2 gives K. Combining these gives JQK.
B: The third letter J is wrong because the third letter sequence requires a +2 increment from I to K. C: The first letter I is wrong because the first letter sequence requires a +2 increment from H to J. D: The first letter I is wrong because the correct first letter is J.
A is correct because the letter-cluster follows a strict parallel pattern of +2, -2, and +2 shifts across its three positions, yielding JQK.
Break down multi-letter clusters into individual character positions to quickly spot alternating or parallel arithmetic progressions.