If LIGHT is coded as KJFIS, then HEAVY is coded as?
GEZWX
GFZWX
GFZXX
GFYWX
Correct answer: GFZWX
Solution
Each letter in LIGHT is shifted backward by increasing steps: L→K, I→G, G→F, H→D, T→O. Applying the same pattern to HEAVY gives H→G, E→F, A→Z, V→W, Y→X, so the code is GFZWX.