If 'GOLD' is '4-12-15-7', how is 'IRON' written? MCQ with Answer and Explanation

Explanation:
The word is split into pairs and each pair is reversed. FL->LF (Wait, FLIGHT -> ILFGTH means FLI -> ILF, GHT -> THG? No, FLIGHT -> ILFGTH. F, L, I -> I, L, F. G, H, T -> T, H, G? No, it's ILF GTH. Reverse first 3, reverse last 3. FLI->ILF, GHT->THG. TICKET -> TIC->CIT, KET->TEK. CITTEK. If option A is ITKCTE, it implies pairs swapped: TI->IT, CK->KC, ET->TE. ITKCTE.)

Explanation:
Positional values: B(2), O(15), A(1), T(20).

Explanation:
Each letter is shifted +2 steps forward. B(+2)=D, I(+2)=K, T(+2)=V, T(+2)=V, E(+2)=G, R(+2)=T. BITTER becomes DKVVGT.