Multiple choice general knowledge math & puzzles Find the next... 10 ,23 ,40 ,61 ,_ 76 86 96 none Reveal answer Fill a bubble to check yourself B Correct answer Explanation Duplicate of 21854. The pattern in differences works: 23-10=13, 40-23=17, 61-40=21. These increase by 4 each time (13, 17, 21, 25), so next is 61+25=86. Option B is correct.