Multiple choice

5 6.2 9 13.4 19.4 ?

  1. 27

  2. 21

  3. 28

  4. 69
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The differences are: 1.2, 2.8, 4.4, 6.0. These increase by 1.6 each time. The next difference is 7.6. 19.4 + 7.6 = 27.

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