9 in 1 to 100

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?




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A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

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What did I do?

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A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
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Artificial Intelligence

Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.