15
15
To calculate the number of odd days from January 29, 1989, to January 18, 1990, we first find the total number of days between these two dates. From January 29, 1989, to January 29, 1990, is 1 year, which includes 365 days. However, we only count from January 29, 1989, to January 18, 1990, which is 355 days (11 months and 20 days). Dividing 355 by 7 gives us 50 weeks and 5 odd days. Therefore, there are 5 odd days in this period.
6 odd days
365 total days in a year/2= 183 odd days.
There is an average of 18624.25 odd-numbered days in 100 years.
November, because it has 30 days, while the others have 31 days.
There is a total of 16 odd numbered days n the month of December.
There are 31 days in the month of January.
Nine
The parity (odd or even) of days depends on the number of days in a month - not the number of days in a week.
January and July have 31 days.
There were 365 days in 1850.