Unless otherwise posted, the speed limit in a residential area is: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. 2025 Ohio Permit Test Question Unless otherwise posted, the speed limit in a residential area is: Answers 20 mph. 25 mph. 30 mph. Explanation Unless otherwise posted, the speed limit in business and residential districts is 25 mph. See the exact questions that will be on the 2025 Ohio DMV exam. 99.2% of people who use the cheat sheet pass the FIRST TIME Click HereFull Cheat Sheet Unlock Your Exclusive Cheat Sheet! This questions appears in the following tests: California Practice Test 29 California Practice Test 20