Manhole Shape

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




Similar Riddles

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

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I serve you by expiring
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Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

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Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

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People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

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What time is it when an elephant sits on a fence?

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He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

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A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

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Find the Odd One Out?
84129
32418
47632
36119
67626
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I don't get anymore wetter, no matter how much rain falls on me.

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Crossword puzzles

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