Quillivant XR is an oral suspension (a liquid). It contains about 20 percent immediate release and 80 percent extended-release methylphenidate. After a dose is taken, the medicine begins to work in about 45 minutes and continues working for up to 12 hours.
There are a total of 36 questions on Californiaâs written knowledge test. You must answer a minimum of 30 questions to pass the test. To prepare for the written test, you should study the California Driverâs Manual. You should also take multiple practice exams â this is a good way to determine your knowledge level and identify any weak areas.
To get the 450, I'm not sure but you may need to get about 2/3 of the questions right. The grading scale is kind of strange, so each question isn't necessarily worth x number of points. You will also have to score at least a 2 (on a scale of 1-4) on your essay to pass the writing section. Source(s): three years teaching GED students. Christine92 Â· 7 years ago.