11 because
4+1=5
3+5=8
2+8=10
1+10=11
0+11=11
the answer is 1
What would be the next number in this series 15 12 13 10 11 8?
11 comes next.
59 is the next number in this series.
13
10 4 3 11 15 9 8 16 20....
The next number in the series is 67.
11
2
The pattern is - 5 then +2. 2 and 4 are the next numbers in the series.
12,7,13,8 etc
How about 3 followed by 12