This is a simple sentence, in which It is only the formal subject, and the real subject is the subject clause guided by how. In the subject clause, the subject is the capacity to visualize objects and to figure out numerical patterns, the predicate is suits, the object is one, to answer questions is the object complement, and questions are followed by an attributive clause.
Some questions are difficult for some of the most outstanding poets and philosophers to answer, but the ability to imagine objects and calculate numerical patterns enables people to find out the answers, and the reasons are unknown.
visualize means to imagine, which is synonymous with imagine. He had a hard time to visualize the scene as it was described. )
elude means to avoid, or it can mean that you can't understand and can't remember. According to the meaning of the sentence, it can be translated as no answer. For example, the answer to this question abandoned me for a long time, because it was so simple. (I have been thinking about the answer to this question for a long time, perhaps because the question is too simple. )