Interview Question: Manhole Covers

Sample Question #78 (brainteaser)

Why are manhole covers round?

(Comment: this is one of the sample brainteaser-type case questions in Chapter 4 of my book; click Read comments to see the answer!)

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One Response to Interview Question: Manhole Covers

  1. Brett says:

    First of all, you should tell the interviewer that not all manhole covers are round, and they don’t have to be round! Otherwise, you can find a bunch of answers here:

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