Here's a quick test that could determine if you're going to be wealthy

Check this out:

You scan the grid, then figure out what number is associated with "music." Then you answer. Simple, right?

Thing is, the answers are easy -- but after a couple of minutes of doing this, your brain basically goes numb and you start making sloppy mistakes. But if you can avoid that -- if you can fight through the boredom and keep answering c…