Question

If a number is divisible by 9,it must be divisible by_________
write the correct answer only

Answer 1

Answer:

If a number is divisible by 9,it must be divisible by 3.

Answer 2

Answer:

3

Step-by-step explanation:

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

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