Question

If `11xx11=4` and `22xx22=16`, what is `33xx33`?

Answer 1

18

Explanation:

Given:

`11xx11=4, 22xx22=16`, what is `33xx33`

Here goes:

`11xx11=121`, `1+2+1=4`

`22xx22=484`, `4+8+4=16`

and so:

`33xx33=1089`, `1+0+8+9=18`