IELTS Academic Reading test has three reading texts or passages that come with 40 or 41 questions in total. Each reading passage has around 13 questions. You need to answer these questions within an hour. Some useful techniques like skimming, scanning, understanding suggested meaning, guessing, eliminating wrong options etc. help you answer these questions within the stipulated time. IELTS Mentor website has a really large collection of Academic IELTS Reading passages that you can practice to prepare well for your original test.