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Find the next term in the series: AZ, BY, CX, DW, ?
EV
EU
FV
FU
EV
Observe the two-letter pairs where the first letter advances alphabetically (A, B, C, D) and the second letter regresses alphabetically (Z, Y, X, W).
Observe the two-letter pairs where the first letter advances alphabetically (A, B, C, D) and the second letter regresses alphabetically (Z, Y, X, W).
Analyze the first letter of each pair
The first letters follow the sequence A, B, C, D. Adding 1 to the position of D (4) gives 5, which corresponds to the letter E.
Analyze the second letter of each pair
The second letters follow the sequence Z, Y, X, W. Subtracting 1 from the position of W (23) gives 22, which corresponds to the letter V.
Combine the letters
Concatenating the next letter in the first sequence (E) and the next letter in the second sequence (V) results in EV.
B: EU is incorrect because the second letter must be V (W minus 1). C: FV is incorrect because the first letter must be E (D plus 1). D: FU is incorrect because both letters are mathematically inconsistent with the established pattern.
A is correct because the series follows a pattern where the first letter increases by 1 position (A → B → C → D → E) and the second letter decreases by 1 position (Z → Y → X → W → V).
For alphabetical series, always convert letters to their numerical positions (A=1, B=2, ..., Z=26) to solve complex patterns quickly without manual counting errors.
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