Question

Find the missing term in the sequence

1, 1, 2, 3, 5, 8, __, 21, ...

Answer 1

13

1+1=2+3=5+8=13+21=...

Answer 2

13

Explanation:

1+1=2

1+2=3

2+3=5

3+5=8

8+blank=21

21-8=13