Multiple choice general knowledge math & puzzles If January=15,April=10, May=5 , November=15, then July=? 5 10 15 20 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The pattern counts the number of vowels in each month name. January (a,u,a=3) but reversed gives 15, April (a,i=2) reversed 10, May (a=1) reversed 5, November (o,e,e=3) reversed 15. July has 2 vowels (u,y), which reversed gives 5.