Number Trivia

Can you find out which number multiplied by itself will give the output as 12345678987654321?




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There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

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PS: It has a logical answer.

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Can you find the 09 errors in the picture below?

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Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

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Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.