it's 13 weeks. 91 days.
Almost exactly 3 months for a year of 365 days. (2.998 average months) An average month is about 30.4 days because months can vary in the number of days. Exactly 3 months is 91.3 days in a Julian year, either 91.25 or 91.5 calendar days
Anything from 2 months + 6 days to exactly 2 months - depending on which months are picked.
203 days is equal to exactly 6.66954697 months, or approximately 6 months and 3 weeks.
All the months, except for February have at least 30 days. The months that have exactly 30 days are: April, June September, November.
Only February has exactly 28 days in a non leap year.
septemberapriljunenovember
Seven
Exactly 48 months. The period 1461 days is exactly 4 years (three years and one leap year). In this case, you do not have to use the average for days in a month (30.4 days).
About 6 months (exactly 6 months in a leap year of 366 days). There is no fixed number of days in a month, but the average is 30.4 days a month.
11. The question is not specifically asking how many months have "exactly" 30 days. 11 months have "at least" 30 days. There are four months that do have exactly 30 days, and there are at least five different versions of this riddle.
All 12 months have "at least" 28 days. Only February has exactly 28 days, except in leap year.
The total number of days between Tuesday, May 1st, 2012 and Sunday, September 23rd, 2012 is 145 days. This is equal to exactly 4 months and 22 days.