Divisibility by 9, Shortcuts, Tips, Funny Math

Divisibility by 9

Here we have mentioned few shortcuts/tips to find out the number is divisible by 9.

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Divisibility by 9

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Divisibility by 9:
How to check a number is divisible by 9?
It is very simple, first sum all the digits of the number, now check whether the result is divisible by 9. If the answer is divisible by 9, clearly the number will be divisible by 9. It is similar to divisibility of 3.

Examples:
Is the number 57225834 divisible by 9?
Now, sum the digits of the number,
5 + 7 + 2 + 2 + 5 + 8 + 3 + 4 = 36
36 is divisible by 9, so 57225834 is divisible by 9.

Is the number 3216763132 divisible by 3?
3 + 2 + 1 + 6 + 7 + 6 + 3 + 1 + 3 + 2 = 34
34 is not divisible by 9, so the number 3216763132 is not divisible by 9.

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This is a funny tricky play of maths. Checking Divisibility by 9 is made easier from the above shortcuts/tips. Enjoy it with Fun!