Interview Question

Product Unit Manager Interview

Why is a Manhole cover round?


Interview Answer

3 Answers


It is the only shape that by design cannot fall into itself.

Interview Candidate on 2 Jul 2012

What about an equilateral triangle. That also cannot fall in on itself.

Thomas on 5 Feb 2013

Sorry, the Reuleaux triangle

Thomas on 5 Feb 2013

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