What comes next in this number pattern?

Great, you answered "17".

See here what other people have answered:

  • 11
  • 17
  • 19
  • 21
13%
11%
59%
17%
Click "CONTINUE" to proceed to the next question

Interesting fact:

The brain consumes 20% of your body energy. So if you’re doing mental work, it’s as if you are doing some form of physical exercise.

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