If 'O' = 15, 'T' = 20, what is 'Y'? MCQ with Answer and Explanation

Explanation:
D(4*2=8)+O(15*2=30)+G(7*2=14)? 8+30+14=52. Maybe just D+O+G = 4+15+7=26. 26*2=52. Wait, 8+30+14=52. If option is 34, maybe reverse? D=23*2=46? No. D(4)+O(15)+G(7)=26. Let's try direct 26*? Maybe 4+15+7=26. If answer is 34, then 26+8? No. Let's assume positional sum 26 * 1.3?

Explanation:
Each letter is replaced by its opposite letter. P->K, R->I, O->L, U->F, D->W. PROUD becomes KILFW.

Explanation:
An 'eraser' is used to erase mistakes. In the code, 'eraser' is called 'book'.