You are driving a bus with 18 passangers on it. On the next stop 5 passangers leave and 13 gets onboard. When you arrive at the next stop 21 passangers leave and 4 gets onboard. What color are the eyes of the bus driver?

This classic brain teaser is a perfect example of how our minds can get caught up in details, causing us to overlook the most obvious information. The stream of numbers about passengers getting on and off the bus is a deliberate distraction, designed to occupy your mental energy and steer you away from the crucial detail embedded in the very first sentence of the riddle. Our brains are often wired to seek out patterns and solve problems, so when presented with numerical data, we naturally start processing it, even if it's completely irrelevant to the actual question being asked.

The trick lies in the opening phrase: "You are driving a bus..." This statement directly places the listener in the role of the bus driver. By establishing this personal connection right at the start, the riddle subtly provides the answer to the final question without you even realizing it. Because you are the one driving the bus, only you would know the color of your own eyes. It’s a clever way to test not just problem-solving skills, but also attention to detail and self-awareness within the context of the narrative.

Many riddles and puzzles employ similar tactics, using misdirection (Review) or irrelevant information to challenge our assumptions and force us to think critically about the wording. They highlight how easily we can get lost in the noise and miss the signal. This particular riddle is effective because it appeals to our instinct to calculate and solve, while the real solution requires a different kind of observation—an understanding of the narrative's perspective. It teaches us to pause, consider the full context, and identify the truly pertinent information, rather than getting bogged down in extraneous details.