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13 votes
13 votes
Which number should come next in the series? 1 - 1 - 2 - 3 - 5 - 8 – 13

User Rajind Ruparathna
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2 Answers

18 votes
18 votes
21
The series would be adding the previous number--
1+1=2
1+2=3
2+3=5
3+5=8
5+8=13
8+13= 21
and so on
User Doug Reeder
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2.7k points
19 votes
19 votes

Answer:

The number which should come next is 21.

8+13 is 21

User Johan Haest
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