If you haven't got time to do an online full 50 question difficult theory test then try this short 20 question version. Some of the hardest questions we could test you with. They're all based on the Highway Code and is a perfect way to get ready for the real theory test. Once you pass this test, try the full version as it's completely free. Get fully prepared for your DVSA test with World Driving. You must get at least 18 out of 20 to pass. Good luck!