British Mensa's Online Workout
You have 15 minutes to answer 18 questions.
This quiz is provided for entertainment purposes only; it is not an IQ test and the score will not qualify you for Mensa. The questions on the "Mensa Workout" are biased towards people whose primary language is English; however Mensa offers culture-fair IQ tests throughout the world which do not rely on a knowledge of a specific language.
Many of the questions on the "Mensa Online Workout" require you to have a graphical browser. The test is still enjoyable for those with text-only browsers, but your overall score may be considerably lower than it might be with a graphical browser.