Multiple choice

Complete the series: 1,1,2,3,5,8,13,21,34,

  1. 55

  2. 47

  3. 51

  4. 43

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

1+1=2, 2+3=5, 3+5=8, 5+8=13, 8+13=21, 13+21=34, 21+34=55