This riddle has been around for some time on internet platforms such as Instagram, Facebook, and WhatsApp, and many people still argue over what the answer might be, as there are many possibilities. The correct answer is Each tyre has travelled 8000 miles. Let the tyre numbers be 1,2,3,4,5 tyre 1234 for 0-2000 miles tyre 1235 for 2000-4000 miles tyre 1254 for 4000-6000 miles tyre 1534 for 6000-8000 miles tyre 5234 for 8000-10,000 miles