Number Trivia

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




Similar Riddles

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

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What is the next shape from answers A, B, C, and D figure?

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Replace each alphabet with the number (1-9) to make the below equation correct.

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Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

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Rule of Game: You can move only by exchanging green and yellow circles.

Cross the Gate

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In the picture given below, can you find out which digit will take place of the question mark?

Replace the Question Mark

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But the attorney testified he didn't have a brother.

Who is lying?

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What do you answer even though it never asks you questions?

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In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki