Question 1
Input: CODE
Step 1: Reverse the word → EDOC
Step 2: Shift each letter +1 (A→B, B→C, ..., Z→A) → FEPD
Step 3: Rotate left by 2 positions → PDFE
Step 4: For even positions (0-indexed), keep letter; for odd positions, replace with position number (A=1, B=2...) → P4F5
What is the final output?
Multiple transformations applied sequentially: CODE → EDOC → FEPD → PDFE → P4F5