There’s no one answer to this question, as it depends on what you mean by “problem solver.” But if you think of problem solving as being able to come up with a plan and then working through it step-by-step until the goal is reached, then yes, most humans are problem solvers by nature.
We can also be problemsolvers when we don’t have access to the information or tools we need to solve a problem. For example, imagine you’re lost in a unfamiliar city and you need to find your way home. You might start by asking people for directions, but if none of them can help you or give you enough information, you might be able to solve the problem by reconstructing the route from memory.
In both cases, you’re using your problem-solving skills to get yourself out of a difficult situation. So even though sometimes our solutions don’t work