A blonde walks into the police department looking for a job. The officer wants to ask him a few questions. Officer: What's 2+2? Blonde: Ummmmm... 4! Officer: What's the square root of 100? Blonde: Ummmm... 10! Officer: Good! Now, who k-i.ll3d Abraham Lincoln? Blonde: Ummmm......

Below, we offer a few quizzes to increase your attentiveness throughout the day. All you need to do is to find the odd one out. But be careful, it will get harder and harder. If you can do the last...