If you had to retake the test to acquire your driver's licence, could you pass? Before you respond, keep in mind 33 million Americans, which accounts for 16 percent of U. S. licensed drivers, failed a test designed by GMAC. Like many of you, its been years since I've taken the test.Take a few moments to test your skills. I did, managing to pass the test with a score of 75. See how you would score if you had to take this 20-question test today. After taking the test, post your results.