depending on wich continent do you live but still buses can have from 8 to 1o tires including the spare ones.
7 of them !
5 (4 plus the spare).
If you are talking about a ford ranger pickup then your general answer is 4 or 5 depending on if you are including the spare tire or not. Beyond this you may also include the set of 4 winter tires you have saved in the garage.
There are many chemicals that can damage a car's tires including bleach. Many acids will also damage a car's tires.
15 minutes.
There are many off-road specialty stores online that sell tires for that specific purpose. Tirerack.com can find specific tires to fit your car properly, and there's offroadunlimited.com that sells everything including tires.
You can purchase Bridgestone Tires at many tire retailers including Firestone, Walmart, Tires Plus or PepBoys. The cost can vary considerably depending on where you purchase them or the warranty they come with.
There are many Triumph's, including motorcycles ! - Please give full info for a clear answer.
No, they don't, they remain useful for many years. While they don't "wear" out, they can become unsafe to use from age, weather cracking, and dry rot.
One can purchase a Spare tire at many different places. All tire stores such as Sears, Walmart, and Good Year tire shops will have the tire one will be looking for. Trailer tires are nothing special, normally trailer tires will have very common sizes that fit on cars also, so most hardware or department stores should have the right fit.
At Hosier's Tire Outlet, they have many brands including douglas tires. They may be in your local area as they have many locations. You can even order them online and pick them up at locations.
6, including all 4 wheels, spare wheel and steering wheel.