It serves for determining of your IQ, completing the test will not take you more than 30 minutes of your time. The IQ indicates a person's mental abilities relative to other individuals of approximately the same age. The average "normal" Intelligence Quotient is between 85 and 114.
The test contains 30 questions, each of them has only one solution. This test is just for entertainment but will give you a good idea about your mental abilities.
You will learn your IQ value immediately after completing the test, if you have made the test already before and you want to check your result, you can do that by clicking on the "Display result" button.