Multiple choice general knowledge math & puzzles

1-2-4-7-11-?

  1. 16

  2. 21

  3. 13

  4. 15
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The differences between consecutive terms are increasing by 1: 1+1=2, 2+2=4, 4+3=7, 7+4=11. The next term is 11+5 = 16.

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