Multiple choice general knowledge 35 33 29 23 15............... 13 11 9 5 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The pattern decreases by 2, 4, 6, 8. Starting from 35: 35-2=33, 33-4=29, 29-6=23, 23-8=15. The next decrease should be 10, so 15-10=5. This is a simple arithmetic progression where the difference increases by 2 each time.