The pattern alternates between adding 3 and subtracting 2.
- 07 + 3 = 10 - 10 - 2 = 08 - 08 + 3 = 11 - 11 - 2 = 09 - 09 + 3 = 12 - 12 - 2 = 10 (so the next number in the sequence is 13).
Thus, the next number in the series is 13.
The correct answer is "13."
CUBAEDEDABEBBAUCDBCADB
Read the given pattern carefully and tell which number will come in place of the question mark(?): 
CUBAEDEDABEBBAUCDBCADB