| Question | Which of the following numbers is divisible by 9? | |
| Type | multiple_choice | |
| Option | 67578 | incorrect |
| Option | 56785 | incorrect |
| Option | 45678 | incorrect |
| Option | 65889 | correct |
| Solution | A number is divisible by 9 if the sum of its digits is divisible by 9. Sum of the digits of the given numbers are; 6+7+5+7+8= 33 5+6+7+8+5= 31 4+5+6+7+8= 30 6+5+8+8+9= 36 The sum of the digits of the number 65889 is 36 which is divisible by 9, so the correct answer is 65889. | |
