On 8^th Feb, 2005 it was Tuesday. What was the day of the week on 8^th Feb, 2004?

Explanation:-

The year 2004 is a leap year. It has 2 odd days.
∴ The day on 8^th Feb, 2004 is 2 days before the day on 8^th Feb, 2005.
Hence, this day is Sunday.