Question

Positive number divisible by 9 if the sum of the digits

Answer 1

A number is divisible by 9 if the sum of its digits is divisible by 9. For large numbers this rule can be applied again to the result. In addition, the final iteration will result in a 9. A.) 2,880: 2 +8 + 8 + 0 = 18, 1 + 8 = 9, so 9.

Answer 2

Positive numbers are divisible by 9 if the sum of the individual digit is completely divisible by 9 .

This is also known as the divisibility rule of 9 which helps you if you need to divide any big numbers with 9.

For ex
I) 108 - 1+0+8 = 9
So, 108 is divisible by 9 with 12.

II) 225 - 2+2+5 = 9
So, 225 is divisible by 9 with 25

Hope it helps