260, 216, 128, 108, 62, 54, ?, 27
39
30
29
19
49
260, 216, 128, 108, 62, 54, ?, 27
There are two series formed in the question at the alternate positions. In the first series from the end, 27×2= 54, then 54×2= 108, 108×2= 216.
In the second series, it follows the pattern of ×2+4 like 62×2+4= 128, then 128×2+4= 260 So, 62-4= 58 and half of it is 29