12 May 2011 = Thursday Number of years between 2004 and 2011 = 7 Number of leap years between 2004 and 2011 = 1 So, total number of odd days =
(7+1)
7
=
8
7
=1 (remainder) As, 12 may 2011 = Thursday So, 12 May 2004 = Wednesday (Decrease 1 day as 1 odd day) So, 10 May 2004 = Monday Hence, "Monday" is the correct answer.