Question

If a number is divisible by 9, is it divisible by 3 also ? If so , give an example to justify your answer​

Answer 1

Since 9 is divisible by 3, every number divisible by 9 will be also be divisible by 3. This happens because in the divisibilty test formula of 9, the sum of the digits should be divisible by 9. If this sum is divisible by 9, it automatically is divisible by 3 since 3 is a factor of 9.

Answer 2

Answer:

Since 9 is divisible by 3, every number divisible by 9 will be also be divisible by 3. This happens because in th

e divisibilty test formula of 9, the sum of the digits should be divisible by 9. If this sum is divisible by 9, it automatically is divisible by 3 since 3 is a fa