Number Trivia

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




Similar Math Riddles

What is next number in the pattern below:

131 517 192 123 ?

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Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

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Bobby and Wilbur decided to take their respective car out of the garage and race. None of them cheated and they both stood at the start time and decided to cover a distance in full throttle. The first to reach the mark was to be declared the winner.

Upon reaching the finishing mark, they found out that Bobby's car was 1.2 times faster than Wilbur's. Now, Wilbur had reached the mark about 1 minute and 30 seconds later than Bobby. Bobby's car reached the mark of 60 MPH on average.

Can you calculate the distance between the starting mark and the final mark with the help of the given data?

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If 21x = 79x, what is the value of x?

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Find three whole, positive numbers that have the same answer when multiplied together as when added together.

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Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

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You need to arrange three 7 and mathematical symbols to form number 1?

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A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

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Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

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Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.