Multiple choice general knowledge Please enter the missing figure: 30, 29, 27, 26, 24, 23, 21, 20,... 18 19 25 22 Reveal answer Fill a bubble to check yourself A Correct answer Explanation This sequence alternates between subtracting 1 and subtracting 2. The pattern is: -1, -2, -1, -2, -1, -2, -1, -2... Following this pattern from 20, we subtract 2 to get 18.