Calculate the number of days between December 12 and January 11 (do not include January 11).
32 days
31 days
30 days
35 days
From 12th December to 31st December, there are 20 days There are 10 days till 10th January
So, total days = 20 + 10 = 30 days
The frequency of occurring 28th day in a month for the year 2019 from January to December is 11.
The frequency of occurring 28th day in a month for the year 2019 from January to December is ___.