There are more Missouri permit practice tests here. All answers are found in the Missouri Driver's Guide. Don't forget to get a copy when you start studying for your instruction permit or driver's license.
Our free printable study sheets can also help you learn faster. This sheet shows all signs that may show up on your Missouri Permit Test.
Driversprep.com has the largest online database with questions and answers for all state's DMV tests. The website is well worth a visit if you need more practice tests.