In one of Huawei’s brain-teasing interview questions, candidates are presented with a challenging riddle: How does an 800kg buffalo cross a bridge that can only support 700kg? This puzzle requires more than just math skills; it tests your creative thinking and problem-solving abilities.
At first glance, this might seem like an impossible situation. The buffalo weighs more than the bridge’s maximum capacity, so logically, it shouldn’t be able to cross. But there’s a twist to this question that reveals an unconventional solution.
The Setup of the Puzzle
The puzzle goes like this:
- The buffalo weighs 800kg, and the bridge has a maximum load limit of 700kg.
- The bridge is structurally sound, and the buffalo is healthy and capable of walking.
- The task is to figure out how the buffalo could safely make it across without collapsing the bridge.
The first reaction for many is to think of ways to reduce the buffalo’s weight or support its load in some creative way. But the answer lies in rethinking the situation itself rather than manipulating the buffalo’s weight.
The Solution: Don’t Let the Buffalo Cross the Bridge
The answer to this puzzle is simpler than it seems: Just don’t let the buffalo cross the bridge.
This answer reflects a broader approach to problem-solving in interviews, particularly at innovative companies like Huawei. Sometimes, the solution is not to force the problem to fit within the constraints but to think of an alternative that sidesteps the constraints altogether. In this case, if the buffalo is prevented from crossing, the bridge’s weight limit isn’t exceeded, and the problem is resolved.
Why This Puzzle is Asked in Interviews
This puzzle serves as a test of lateral thinking. Employers, especially in tech and engineering fields, often seek candidates who can look beyond traditional approaches to problem-solving. By proposing a solution that avoids the weight issue altogether, candidates demonstrate the ability to think creatively and approach challenges from unique angles.
Real-Life Applications of Lateral Thinking
Lateral thinking is valuable in both personal and professional contexts, especially when dealing with constraints. Sometimes, the best solution is not to work within the constraints but to find an alternative route that bypasses them.
This puzzle teaches that some problems may not need a straightforward answer. In real-world scenarios, especially in fields like technology, engineering, and innovation, thinking outside the box is often more valuable than sticking rigidly to the rules.
Final Thoughts
If you ever find yourself faced with an “impossible” situation in a high-stakes environment, remember that not every challenge requires a conventional solution. Sometimes, the best answer is to avoid the problem altogether. This type of thinking not only shows creativity but also adaptability—qualities that are invaluable in today’s fast-evolving workplaces.
Did this puzzle make you think outside the box? Try sharing it with friends or colleagues and see if they come up with the same solution!
