it just depends on the size of your tire and how big or small it is.
A tire does not fill any faster with the weight of the car on it. Air is pressurized and fills the tire with the same speed whether it is on or off of the car.
250psi No, recheck your math. 2000 lbs, 4 tires. That's 500 pounds per tire.
Pressure is equal throughout the tire.
Normally, it should weight between 30-35 pounds
what is the weight of an twenty inch tire
too much
That will depend on the application and weight rating of the tire. A passenger car tire would be about 35 psi. A truck tire would be 80 psi.
The same as a tire that has not been inflated.
A typical car tire weighs between 20-30 pounds, depending on the size and type of the tire.
15 lbs is about average for a typical 13" tire.
A 'G' rating on a light truck tire means only that is a 14 ply tire. The weight capacity is dependent on the air pressure you put into the tire..
Tires come in many sizes, so the weight varies greatly. Standard car tires weigh around 22 pounds. A light truck tire weighs about 35 pounds. Large truck and tractor tires weigh much more than that.