Multiple choice general knowledge 27 25 26 24 25 23........... 21 22 24 20 Reveal answer Fill a bubble to check yourself C Correct answer Explanation The pattern alternates: subtract 2, add 1, subtract 2, add 1... 27-2=25, 25+1=26, 26-2=24, 24+1=25, 25-2=23, 23+1=24.