Which of the following numbers are divisible by 9: 10, 243, 275, 999. Select all that apply.
Note
A number is divisible by 9 if the digit sum is divisible by 9: 243 → 2+4+3=9 and 999 → 9+9+9=27, so both are divisible by 9; 10 and 275 are not.
Which of the following numbers are divisible by 9: 10, 243, 275, 999. Select all that apply.
A number is divisible by 9 if the digit sum is divisible by 9: 243 → 2+4+3=9 and 999 → 9+9+9=27, so both are divisible by 9; 10 and 275 are not.