For A Car There Are 5 Tyres Including One Spare Tyre

Amit keeps a spare tyre in his car.
For a car there are 5 tyres including one spare tyre. Divide the lifetime of spare tire into 4 equal part ie 5000 and swap it at each completion of 5000 kms distance. All tyres are equally used. For a car there are 5 tyres including one spare tyre41. Replace a with s.
Spare tyres vary and can be full size or temporary space saver tyres which are much thinner than a standard car tyre and are not intended for extended use. They are designed to get you home or to your nearest garage and usually cannot be used at speeds of more than 50mph. All tyres are equally used. Replace a with s.
Let four tyres be a b c and d and spare tyre be s. If the total distance travelled by the car is 40000km then what is the average distance tr. Let four tyres be a b c and d and spare tyre be s. For a car there are 5 tyres including one spare tyre41.
Nothing can flatten your spirits and deflate your mood quite like a flat car tyre though this feeling is often followed by the vague sense of panic about the state of your spare. You are allowed to change tyres using the spare tyre unlimited number of times. Divide the lifetime of spare tire into 4 equal part ie 5000 and swap it at each completion of 5000 miles distance.