Select the letter or letter-cluster that can replace the question mark (?) in the following series.AZ, BY, CX, ?, EV
A. DX
B. DW
C. EW
D. DV
A. DX
B. DW
C. EW
D. DV
Best answer
Answer: B. DW
Answer: (B) DW
The first letters go A, B, C, D, E (+1). The second letters go Z, Y, X, W, V (−1).
So the missing term is DW.
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