Question

divisibility test for 9​

Answer 1

Answer:

If the sum of number is divisible by 9 then the no. is also divisible by 9

Explanation:

Ex. - 27 , 2+7 =9 then 27 is also divisible by 9

Answer 2

Answer:

to check if a number is divisible by 9 the rule is to sum all the digits if the answer is divisible by 9 then the wole number is divisible

Explanation:

for example 9981

9+9+8+1=27

27is divisible by 9

so 9981 is divisible by 9