# Four tires to mount on a car these can be mounted

• TSN79
In summary, there are 24 different ways to mount four tires on a car, not 16 as initially thought. This is because for each tire, there are decreasing possibilities for the subsequent tires. For a two-wheeled vehicle, the calculation would be 4*4=16, and for a three-wheeled vehicle, it would be 4*4*4=64.
TSN79
If you have four tires to mount on a car these can be mounted in 4!=24 different ways. I initially thought it would be 4*4=16 ways. Why is this assumption wrong? What would the problem have to be like for my 4*4 to be the solution?

Four different tires can be mounted in 4! ways because you have 4 possibilities for the first wheel, then only 3 for the second wheel (since the tire you put on the first wheel can't be put on the second wheel) then only 2 possibilities for the third one and then only 1 for the last.

An example of 4 * 4 = 16 ways is if you have 4 different types of tires and large numbers of each type, and a two-wheeled vehicle, then you have 4*4 = 16 different ways to choose your tires.

Hmm...if I have four brands of tires, that would explain the first 4-digit, but how come the vehicle has to be two wheeled...? If the vehicle had three wheels, would the answer then be 4*4*4 ?

Yes-four possibilities for the type of each tire, so you multiply them together. 4*4 for a two-wheeled vehicle, 4*4*4 for a three-wheeled vehicle.

## 1. How do I choose the right tires for my car?

Choosing the right tires for your car depends on several factors such as the make and model of your car, the driving conditions you typically encounter, and your budget. It is recommended to consult with a tire specialist or refer to your car's manual for the recommended tire size and type.

## 2. Can I mount any type of tire on my car?

No, you cannot mount any type of tire on your car. It is important to choose tires that are compatible with your car's specifications, such as the correct size, load index, and speed rating. Installing incompatible tires can affect your car's performance and safety.

## 3. How often should I replace my tires?

Tire replacement frequency varies depending on several factors such as the quality of the tires, driving habits, and road conditions. It is recommended to replace tires every 5-6 years or every 40,000-50,000 miles, whichever comes first.

## 4. Can I mix different tire brands on my car?

It is not recommended to mix different tire brands on your car. Tires from different brands may have different tread patterns, sizes, and performance characteristics, which can affect your car's handling and stability. It is best to stick with a full set of tires from the same brand and model.

## 5. What is the proper way to mount tires on my car?

Mounting tires on a car requires specialized equipment and should be done by a trained professional. The process involves removing the old tires, mounting the new ones onto the wheels, and balancing them to ensure even weight distribution. It is important to follow the manufacturer's instructions and recommendations for proper tire mounting.

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