Question

if sum of the digit of a number is divisible by 9. then the number is also divisible by 9 justify
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Answer 1

Answer:

Yeah, it's true.

Step-by-step explanation:

Take an example 864

Sum of digits=8+6+4=18

Since, 18 is divisible by 9,

Also 864 is divisible by 9,

Hence the statement is true.

Answer 2

Answer:

yes, proof-

Step-by-step explanation:

let us take an number 81 (which is divisible by 9)

now, when we add this no. ,

8 + 1 = 9

so, 9 is divisible by 9

and also, 81 is divisible by 9.

then, if the sum of the digit of the numbers are divisible by 9 , then the number is also divisible by 9.

,,Hence proved"

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