Question

divisibility rule of 9 with example ​

Answer 1

$\huge\bf\green{Hey\:Mate}$

A number is divisible by 9 if sum of all the digits of the number is divisible by 9.

Example :

12662

The sum of digits is 18 whuch is divisible by 9.

Hence 12662 is divisible by 9.

Hope it helps✌️

Answer 2

The divisibility rule for 9 is :

sum up all the digits .

if it is divisible with 9 , then it is divisible

for example :

16722

here

1+6+7+2+2= 18

so , it is divisible

if we take 1772177

here , 1+7+7+2+1+7+7= 32

so , it is not divisible by 9