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Identify the next term in the series: AZ, BY, CX, DW, ?
EV
EU
FV
FU
EV
Recognize that the series consists of reverse letter pairs where the first letter increments by +1 and the second letter decrements by -1.
Recognize that the series consists of reverse letter pairs where the first letter increments by +1 and the second letter decrements by -1.
Analyze First Letters
The first letters progress forward in the alphabet: A (1), B (2), C (3), D (4). Continuing this pattern by adding 1 gives E (5).
Analyze Second Letters
The second letters progress backward in the alphabet: Z (26), Y (25), X (24), W (23). Continuing this pattern by subtracting 1 gives V (22).
Combine the Letters
Combining the next letters E and V results in the term EV, which corresponds to Option A.
B: EU has U instead of V, making it incorrect. C: FV has F instead of E as the first letter, making it incorrect. D: FU has an incorrect first letter F and second letter U.
A is correct because the first letters advance by +1 alphabetically (A to E) and the second letters recede by -1 (Z to V), forming the term EV.
For two-letter or multi-letter series, always split the terms into independent letter positions to spot concurrent forward and backward trends instantly.