- ABQQMF
- BBQQNF
- CZOOKD
- DBRRMF
Step-by-Step Solution
Each letter shifts +1: M→N, A→B, N→O, G→H, O→P. Applying +1 to APPLE: A→B, P→Q, P→Q, L→M, E→F = BQQMF.
Answer: A) BQQMF
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