Question

divisibility rule for 9

Answer 1

the sum of digits of the given no. should be divisible by nine

Answer 2

Hey mate here is ur answer...
The divisibility rule for 9 is- Any number is divisible by 3 and also sum of the number must be divisible by 9 then it will definitely be divisible by 9.Ex- 18,27,81 etc. are all divisible by 9 and also 3.
Divisibility of 3- Any number is divisible by 3 if the sum of the digits of the number is divisible by 3.
Ex-63 Sum of 63 is 6+3=9 which is again divisible by 3.
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