12
5
8
2
Answer is Wrong!
Answer is Right!
The missing number is 8.
The numbers in the sequence are all multiples of 3, except for the last number, which is 1 less than the next multiple of 3. Therefore, the missing number is 8, which is 1 less than the next multiple of 3, which is 11.
A. 12 is not a multiple of 3.
B. 5 is not a multiple of 3.
C. 8 is a multiple of 3, and it is 1 less than the next multiple of 3, which is 11.
D. 2 is not a multiple of 3.