Number Trivia

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




Similar Riddles

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

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James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

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100 prisoners are stuck in the prison in solitary cells. The warden of the prison got bored one day and offered them a challenge. He will put one prisoner per day, selected at random (a prisoner can be selected more than once), into a special room with a light bulb and a switch which controls the bulb. No other prisoners can see or control the light bulb. The prisoner in the special room can either turn on the bulb, turn off the bulb or do nothing. On any day, the prisoners can stop this process and say "Every prisoner has been in the special room at least once". If that happens to be true, all the prisoners will be set free. If it is false, then all the prisoners will be executed. The prisoners are given some time to discuss and figure out a solution. How do they ensure they all go free?

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Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

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In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Solve the Sudoku

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