The GRE is a challenging examination. It calls for quick thinking, understanding new vocabulary, and creative problem-solving. The GRE is a lengthy exam, lasting up to three hours and 45 minutes, with no breaks permitted. Your general knowledge of various subjects, including math, science, your command of the English language, and others, is tested on this exam. Additionally, the test evaluates vocabulary usage, analytical and critical thinking abilities, and critical thinking. Therefore, if you don't know enough about these subjects or aren't interested in them, it cannot be easy to answer some questions accurately. It's also important to remember that the GRE was created as an adaptive test, which means it changes its difficulty level based on how well you answered earlier questions. This enables you to respond to questions according to their degree of difficulty rather than guessing at each one randomly, as in some other standardized tests.