Calendar - General Aptitude

Q1:

It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?

A Sunday

B Saturday

C Friday

D Wednesday

ANS:C - Friday

On 31st December, 2005 it was Saturday. Number of odd days from the year 2006 to the year 2009 = (1 + 1 + 2 + 1) = 5 days.  On 31st December 2009, it was Thursday. Thus, on 1st Jan, 2010 it is Friday.