# What is the maximum distance the car can travel before you are forced to buy a new tyre?

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A car has 4 tyres and 1 spare tyre. Each tyre can travel a maximum distance of 20000 miles before wearing off. What is the maximum distance the car can travel before you are forced to buy a new tyre? You are allowed to change tyres (using the spare tyre) unlimited number of times.

posted Jun 29, 2017

20000 miles ,because spare tyre can replace only one tyre but 3 more tyres are there to be replaced.

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Suppose I am giving you a two wheeler,
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Can you calculate the distance traveled by each tyre in that journey ?

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