Magic Maths

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.




Similar Riddles

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

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A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

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In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

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Identify Me

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Hint 2: I am a planet
Hint 3: measurer of heat

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A man dies of old age on his 25 birthday. How is this possible?

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Solve below popular number sequence
314 159 265 358 979 323 846 ?

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Rectify the following equality 101 - 102 = 1 by moving just one digit.

Mathematical Signs Magic

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Solve this riddle by finding the odd one out from the rest.

Odd One Out in the Shapes Riddle

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Analyze and find the missing item in the sequence:
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We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Half Filled barrel

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Crossword puzzles

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