Letter coding puzzle
Decode the rule
Letter-coding puzzles test whether you can find an alphabet shift and apply it consistently.
Quick answer
Answer: TVO
Each letter shifts forward by one alphabet position: S becomes T, U becomes V, and N becomes O.
How to solve it
1
Compare C to D.
2
Check A to B and T to U.
3
Confirm DOG follows the same shift.
4
Apply plus one to SUN.
What this tests
Alphabet mapping
Rule consistency
Pattern recognition
Working memory
IQFlow
Practice coding-style puzzles
IQFlow includes letter, number, and visual rules so pattern training stays varied.