Question

2. The digit that makes 39, 9?8
divisible by 9 is

Answer 1

7

Explanation:

If the sum of all the digits in a number is divisible by 9, then the number is divisible by 9

3 + 9 + 9 + ? + 8 = 29 + ?

? should be 7. then only the sum will be 36 that is divisible by 9