
found this puzzle while i was surfing its a tricky puzzle can you figure it out. let's see if you can manage to find it out.
This will drive you crazy!
http://www.regiftable.com/regiftingrobinpopup.html
It's based on mathematical calculations. You can take any 2-digit number and perform the given calculations, the result will always be a multiple of 9.
If you look carefully, you will notice the same thing written on all multiples of 9. It (the software) just keeps changing the regift on every next attempt, while keeping a similar regift on each multiple of 9.
If you look carefully, you will notice the same thing written on all multiples of 9.