Multiple choice general knowledge

A,C,F,H,__,M

  1. I

  2. L

  3. C

  4. K
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This series follows position-based multiplication: A(1)x2=C(3), C(3)x2=F(6), F(6)+2=H(8), H(8)+2=K(11). The last two terms use +2 instead of x2. After H(8), adding 2 gives K(11), which is the answer.

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