Online DMV practice tests can help your thoroughly prepare for your DMV test. To better your chances of passing the drivers test it is important to take advantage of online DMV practice tests. That means 7 out of 10 people are not prepared properly when it comes to taking their drivers test. About 70 percent of people fail their drivers test the first time. In the time leading up to the test a person will be given a lot of information that they are supposed to remember for the test. Getting ready for your driving test can be an intense process.