11, I think, though I'm not positive.
14
6.
11 comes next.
-11 Pattern: Subtract 1, subtract 2, subtract 3 and so on.
1+1=2 2+2=4 3+4=7 4+7=11 Your answer is 11
8, 11, 12, 15...............
1 , 2, 4, 7, 11 +1,+2,+3,+4
13
13
11, I think, though I'm not positive.
14
6.
11 comes next.
11, 16, 22, 29, 37, 46...
66 and 4/4's.
16.