Is this an optical illusion?

Question

http://www.milaadesign.com/wizardy.html

Play this first. I would like to know how this works. I think its like one of those optical illusions which appear magnified after you stare at them for a few seconds. The game has nothing to do with the numbers chosen or whatso ever.

Answer 1

It's not optical illusion. it work on a very simple calculation and a lot of diagrams to fool the players. Let me illustrate:

if you chosed numbers from 10 - 19, the subtraction will always yield "9"
if you chosed numbers from 20 - 29, the subtraction will always yield "18", then 27 for the next range and so on.

So, if I put the same symbol in 9, 18, 27, 36 etc, then if your calculation is correct, it always landed on the symbol you selected. Other numbers are irrelevant.

Try it... guess I deserve a 10 point from you on this answer?

Answer 2

This works based on the way the numbers are added and then subtracted; the answer is always going to be a multiple of 9, and so the same symbol is used for 9, 18, 27, 36, etc. Several people have asked about this one.

Answer 3

when you take any number..... say, 22, and subtract the digits added, 4 it gives you 18.
73-10=63
45-9=36
87-15=72
99-18=81

it always equals a multiple of nine.
all of the multiples of 9 on that chart have the same symbol.

Answer 4

Several numbers have the same symbol do it again and whatever your answer is the symbols for n9 and thirty six will be the same, plus others will be the same I cant be bothered finding all of them but you get the idea

Answer 5

It's something your eye doesn't see happen

Answer 6

I have no idea but it sure is crazy

Answer 7

no idea but worked :s

Answer 8

No, it's multiples of nine.

Answer 9

Its all about the math.........I have not a clue how it works.

Answer 10

it's alright