Manhole Shape

Why do we preferably have round manhole covers and not square ones?




Similar Riddles

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?


Luis Garavito Rebus

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A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

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A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

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How come ?

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Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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What number comes next in the series?

5 15 5 18 5 24 14 20 _

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What has lots of eyes, but can’t see?

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I am sometimes honest
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I can be sweet and also bitter
I can hurt you real bad and
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If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.