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You believe in magic then mathematics does it too.  

•    Number 9 is believed to be a magic number. It is because if you multiply a number with 9, add all digits to resulting number, the sum would always come out to be 9. We dare you try this!
E.g.   9 × 35. = 315
           3 + 1+ 5 = 9
•    I am sure many of you didn’t realize this and never answered this but 0 is an even number. This is hard for people to mentally categorize and therefore they take longer to decide.
•    The word hundred is derive from word ‘hundrath’ which means 120 and not 100
•    Did you know
              111,111,111 × 111,111,111.  =  12345678 9 87654321
•    The uniqueness  of seven
In a survey it was asked  for a favourite number. Most of the people choose 7 .because it is considered to be airthmatically unique.
It’s a only number that doesn’t multiply or divide by any number to give answer in range of 1-10
Like 6÷3=2.      2×2=4
The answer lie in the same range.but not in case of 7
Have you ever noticed the opposite side of die it always add up to 7
The rainbow has 7 colour
The popular drink is 7 up.
•    Have you ever heard of a number palindrome number? It is a number that reads  the same backward and forward.

E.g. 12421


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