Multiple choice general knowledge

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

  1. 8

  2. 13

  3. 26

  4. 21

  5. 31
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the Fibonacci sequence where each number is the sum of the two preceding numbers: 1+1=2, 1+2=3, 2+3=5, 3+5=8, 5+8=13. Therefore, 8+13=21 is the next number.

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