Question

Figure out this missing number pattern:\ 1,1,2,3,5_,_,_

Answer 1

What you have here is the fibonacci sequence. 
Each number in the sequence adds itself to the number before it.
1+1 = 2
1+2 = 3
3+2 = 5
5+3 = 8
8+5 = 13
the sequence is 0,1,1,2,3,5,8,13