This may seem easy but we are willing to bet that this tricky question will catch you out!
The only equation is the last line:
1 + 1 x 0 + 1 = 2
Based on the study, your mental agility is in the 99th percentile. It refers to your ability to fluidly spring around in your mind while solving a problem, attempting different thinking processes, and testing out different solutions. You’re comfortable with complexity, and you make fresh connections between different things.
Keep it up, and let us know in the comments if we’ve figured you out!