Number Riddles With Answers 1 : Math Brain Twister
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100^2 - 99^2 + 98^2 - 97^2 + 96^2 - 95^2 + ... + 2^2 - 1^2 = ?

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Number Riddles With Answers 2 : Maths Magic Puzzle
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A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?
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Number Riddles With Answers 3 : Math Riddle
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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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Number Riddles With Answers 4 : Maths Equation Operator Puzzle
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I know there are two methods by using three time the same number with an plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?
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Number Riddles With Answers 5 : Find Number Puzzle
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Can you find the least possible number such that

If the number is divided by 3 , it gives the remainder of 1;
If the number is divided by 4 , it gives the remainder of 2
If the number is divided by 5 , it gives the remainder of 3;
If the number is divided by 6 , it gives the remainder of 4.
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Number Riddles With Answers 6 : Maths Riddle
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There is one four-digit whole number n, such that the last four digits of n2 are in fact the original number n
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A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.
What is the sum of the three digits?
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Number Riddles With Answers 8 : Find The Number
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A four digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?
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Number Riddles With Answers 9 : Guess The Number Puzzle
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I know a 5 digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number ?
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Number Riddles With Answers 10 : Mathematical Operator Puzzle
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Using Only Five 5's and any mathematical operator make sum as 37

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