Multiple choice general knowledge Some months have 31 days; how many have 28? 12 1 2 Can't Say Reveal answer Fill a bubble to check yourself A Correct answer Explanation All 12 months have at least 28 days. While only February has exactly 28 days (or 29 in leap years), every month has 28, 29, 30, or 31 days, so all 12 months have '28 days' as part of their duration.