The correct option is C 1
The given number is 5467M49.
If M = 1, the number becomes 5467149.
5 + 4 + 6 + 7 + 1 + 4 + 9 = 36, which is divisible by 9.
Therefore, M = 1 is the correct answer.
For the rest of the options, the numbers obtained are not divisible by 9.