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What should come in place of the question mark (?) in the given series based on the English alphabetical order? DMY, BKW, ZIU, XGS, ?
UDP
VEQ
WCR
UFR
VEQ
Observe the first, middle, and last letters of each cluster independently; each follows a consistent -2 subtractive pattern in the alphabetical sequence.
Observe the first, middle, and last letters of each cluster independently; each follows a consistent -2 subtractive pattern in the alphabetical sequence.
Analyze the first letter of each cluster
D (4) тЖТ B (2) тЖТ Z (26) тЖТ X (24) тЖТ V (22). The pattern is -2 for each step: 4-2=2, 2-2=26, 26-2=24, 24-2=22. The letter at position 22 is V.
Analyze the middle letter of each cluster
M (13) тЖТ K (11) тЖТ I (9) тЖТ G (7) тЖТ E (5). The pattern is -2 for each step: 13-2=11, 11-2=9, 9-2=7, 7-2=5. The letter at position 5 is E.
Analyze the last letter of each cluster
Y (25) тЖТ W (23) тЖТ U (21) тЖТ S (19) тЖТ Q (17). The pattern is -2 for each step: 25-2=23, 23-2=21, 21-2=19, 19-2=17. The letter at position 17 is Q.
A: UDP starts with U (21), while our calculation results in V (22). C: WCR starts with W (23), while our calculation results in V (22). D: UFR starts with U (21), which is incorrect.
B is correct because the series follows a consistent -2 decrement pattern for every character position in the cluster, leading to the sequence V-E-Q.
When solving alphabetical series, convert letters to their numerical positions (A=1, Z=26) immediately to simplify pattern detection.
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