3. A watch which gains uniformly, is 5 min slow at 7 o'clock in the morning on Sunday and it is 5 min 48 s fast at 7 pm on following Sunday. Which day was it correct?
4. On the 6 March, 2005, Monday falls. What was the day of the week on 7th March 2004?
5. 4th April, 1988 was Monday. What day of the week was it, on 6th November 1987?
6. What was the day of the week on 17th July, 1776?