Question

What should be added to'x' to get'y'?​

Answer 1

Answer:

In general sense if you want to make x to y, you need to add (y-x). This will result [ x+(y-x) = y ] . If you think about ASCII value and want to make 'x' to 'y' then you just need to add 1. y-x is added with x to make y.