Puzzles Interview Question:

A man was changing a wheel on his car when the four nuts used to hold the wheel in place well into a sewer drain and were lost. He was afraid he ws stuck there, but a passing boy made a very useful suggestion which enabled the man to drive off. What was the boy's idea?

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The boy suggested that the man take one wheel nut off each of the oyher three wheels in order to attach fourth wheel. Once he had done this, the man could safely drive to the nearest garage with each wheel firmly attached by three nuts.
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