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.
This written exam consists of 50 questions that test your knowledge of New Jersey road rules and traffic laws. You must score 80% or higher to pass the test. You can use the following practice tests to help you reach that passing score: 1  Learner's Permit. 2  Driver's License.