Are You in the Smartest 3 Percent? Spot the Odd One Out in This 3-Part Puzzle

A tricky visual puzzle is doing the rounds online, and rumor has it that only the smartest 3 percent of social media users are able to spot the odd one out.

1. Can you find the odd one out

2. How fast can you find it?

3. The last one

Check answer bellow: