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

+1 vote
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It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?
posted Jul 8, 2016 by Divya Bharti

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2 Answers

0 votes

If it's Sunday on January 1st 2006 then on January 1st 2010 it's Friday.

Jan 2006 - Jan 2007 = 365 days
Jan 2007 - Jan 2008 = 365 days
Jan 2008 - Jan 2009 = 366 days( It's a leap year )
Jan 2009 - Jan 2010 = 365 days.
Total days = 1461 days.

1456 is divisible by 7 (There are 7 days in a week ) so the remainder is +5 for 1461. Which implies Sunday + 5 days = Friday.

answer Jul 9, 2016 by Tejas Naik
0 votes

Taking into account that every four years, there is a leap year. Every normal new year Jan1 moves one day within the week, while for the leap year, Jan 1 moves two days within the week. Therefore, Jan 1 will move to say 3 + 2 days. Then, Jan1 in 2010 will be FRIDAY.

answer Jul 12, 2016 by anonymous



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–1 vote

Thinking about the treasure, the gringo forgot what day it was, so he asked four aborigines and got these answers:
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B: Tomorrow will be Sunday.
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+1 vote

If I said that in three days' time it would be a Thursday, I am sure that most of you would have no difficulty telling me that today was a Monday.

Try this one then. Yesterday was two days before Monday. What day is it today? Yes, you're right again. It's Sunday. Do you get the idea?

Now let's tackle a similar question from The National Mathematics Contest (1991) Paper:

Three days ago, yesterday was the day before Sunday. What day will it be tomorrow?

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