Monday, December 5, 2011

Divisibility Rules for 9

The sum of the digit is divisible by 9

Eg. Is 983 142 divisible by 9? Let's find out

9+8+3+1+4+2 = 27
Add all the numbers up and then you will get sum

27 is divisible by 9

So, that means 983 142 is divisible by 9

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