Harvard Test Question

Why are manhole covers round?

This is a test question on the Harvard entrance exam

Answer #1

because its easy to roll it out..

Answer #2

So the cover doesnt fall down the hole…

Answer #3

Because, Nothing round falls within itself !

Answer #4

It has lots of answers, it’s just a question asked to see how you analyze a question with many different question. I go with because it’s the best shape for the human body to go down, and circles have more area for the same amount material than any other shape.

Answer #5

Because the hole is round

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