There are various study materials available to help you understand different techniques when trying to understand the reasoning behind a certain question on an IQ test. Other materials provide a better understanding of inductive reasoning, which is going from very specific reasoning to general reasoning. Take the time to understand inductive reasoning because there are many questions on the IQ test that require inductive reasoning. The official site of IQ Mensa also provides pre-tests for those who want to take it for fun before the real test.
Since the IQ test has a time limit, take some practice tests to increase the amount of time it takes you to answer each question. When taking the Mensa IQ tests it is very important not to take too long in answering questions because your score will decrease even if you answer the questions correctly.
What you eat and how much you exercise can help stimulate your brain activity to achieve a higher IQ score. Such vitamins as B1, B6 and folic acid have been known to help you maintain a strong, healthy brain function. Fish also helps with increasing your brain power due to the fatty acids it contains. On the other hand, eating sugar also helps increase your brain by providing a sharper and more focused view. When you increase your exercise it helps you become a more effective learner because you are being active.