Multiple choice general knowledge

30, 29, 27, 26, 24, 23, 21, 20,-----

  1. 14

  2. 16

  3. 18

  4. 20
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sequence alternates between subtracting 1 and subtracting 2: 30-1=29, 29-2=27, 27-1=26, 26-2=24, 24-1=23, 23-2=21, 21-1=20, so 20-2=18. The alternating pattern is clear.

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