Which of the following number is divisible by 9?

Question: Which of the following number is divisible by 9?

Solution:
A number is divisible by 9 if the sum of its digits is divisible by 9.

The Sum of the digits of the given numbers are;
5+6+7+8+5= 31

4+5+6+7+8= 30

6+5+8+8+9= 36

6+7+5+7+8= 33

The sum of the digits of the number 65889 is 36, which is divisible by 9, so the correct answer is 65889.