8, 43, 11, 41, __, 39, 17
8
14
40
44
43
8, 43, 11, 41, __, 39, 17
It is the combination of two series at alternate positions. First series follows the pattern of +3 like 8+3=11, 11+3=14 and so on. Second series follows the pattern of -2 like 43-2=41, 41-2=39 and so on. So, at the end, 11+3=14.