What letter comes next in the alternating letter series: Z, A, Y, B, X, C, ___?
Answer and explanation
Correct answer: D. W, continuing the reverse sequence from the end of the alphabet (Z, Y, X, W)
- Step 1: Interleaved series: Odd positions descend: Z, Y, X, ? (-1 letter). Even positions ascend: A, B, C (+1 letter). Step 2. The 7th position is an odd term descending from X: next is W. Answer: W, continuing the reverse sequence from the end of the alphabet (Z, Y, X, W). Why not the others: D is the 8th position (the ascending even series).
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