Examveda

# 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

### Solution(By Examveda Team)

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.

This Question Belongs to Arithmetic Ability >> Calendar

1. I think ..From 2006-2009, the no. Of odd days are 5 so,31st Dec,2009 will be Friday ... thus 1st Jan, 2010 will be Saturday.

2. how to calculate number of odd days

3. what do you mean odd days

4. 2006 is ordinary year it's 1
2007 is ordinary year it's 1
2008 is leap year it's 2
2009 is ordinary year it's 1

1+1+2+1=5 odd days
S M T W T F S
0 1 2 3 4 5 6

5odd days it'll become Friday

5. Please, I need the general formula that works to calculate for all days in any years

6. Explanation is given ,but how can I know this is right answer?

7. Here odd days means 365%7 = 1 and in 2008(leap year) so 366%7 = 2 even year.

Rest is clear in ans...

8. Every. Leapyear has two odd days

9. In ordinary year there is 52 weeks and 1 day extra so that day is odd day for ordinary year ......for leap year 52 weeks and 2 odd day means 2 extra day.

10. Where dis odd days comes from

11. Please ooo this is not clear

12. How do we calculate number of odd days in year?

Related Questions on Calendar