If 31st January, 2012 is on Sunday, then what day of the week was 30th July, 1993?
Tuesday
Sunday
Friday
Wednesday
Monday
Number of odd days between 30 July 1993 & 31st January 2012 = 1 + 1 + 1 + 2 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 3 + 2 + 3 + 2 +3 + 3 => 39
Odd Days = 39/7 = 4
Day on 30 July 1993 = Sunday - 4 => Wednesday