Number Trivia

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




Similar Riddles

Can you replace the question mark with the correct number in the below table sequence?

Complete the table Sequence

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What word begins and ends with an E, but has only one letter?

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A solo dice game is played. In this game, upon each turn, a normal pair of dice is rolled and the score is calculated not by adding the numbers but multiplying them.

In a particular game, the score for the second roll is five more than what was achieved in the first roll. The score for the third roll is six less than what was completed in the second roll. The score for the fourth roll is eleven more than what was achieved in the third. The score for the fifth roll is eight less than what was completed in the fourth.

Can you calculate the score for each of the five throws?

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What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Teaser Puzzle

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What has 88 keys?

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How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

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

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The world's largest Thanksgiving turkey was on display at a fair. Everyone was admiring it when suddenly a woman ran up and shot the turkey and left. Everyone knew her yet nobody made any attempts to stop or report her. Why?

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What does this rebus riddle means ?

All Again Rebus

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Can you find the company name in the pictogram below?

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Crossword puzzles

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