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 Jul 2, 2012

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

Thomas on Feb 5, 2013

Sorry, the Reuleaux triangle

Thomas on Feb 5, 2013

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