Multiple choice general knowledge math & puzzles 13 17 25 32 ? 67 27 47 37 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The pattern involves adding the sum of the digits of the current number to itself: 13+(1+3)=17, 17+(1+7)=25, 25+(2+5)=32. Following this, 32+(3+2)=37. Other options do not follow this consistent arithmetic progression based on digit summation.