13. It was Monday on Jan 1, 2007. What was the day of the week Jan 1, 2011?
A.) Monday
B.) Friday
C.) Saturday
D.) Wednesday
Answer: Option C
Explanation:
On 31st December, 2006 it was Sunday.
Number of odd days from the year 2007 to the year 2010 = (1 + 2 + 1 + 1) = 5 days.
On 31st December 2010, it was Friday.
Thus, on 1st Jan, 2011 it is Saturday.