If you have started preparing for the CSCS exam, it is important that you must know how many questions you need to pass a CSCS test (Health Safety and Environment Test). The test comprises of 50 questions, an online exam. You have to answer a minimum of 42 questions correctly to pass the exam. The preparation of the examination is indeed a tough one, an extensive study you need to do for passing the exam at one go and to acquire the CSCS card, a gateway to construction industry across UK. You must take a look at the constructionhelpline.com to know details about the passing of the examination and so on.