It was Saturday on January 1, 2005. Find the day of the week on January 1, 2010.
July 27, 2023
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Question
It was Saturday on January 1, 2005. Find the day of the week on January 1, 2010.
Type
multiple_choice
Option
Tuesday
incorrect
Option
Friday
correct
Option
Wednesday
incorrect
Option
Sunday
incorrect
Solution
On December 31, 2004, it was Friday. Number of odd days from the year 2005 to the year 2009 = 1+1+1+2(leap year) +1 = 6 odd days ∴On December 31, 2009, it was Thursday, so on January 1, 2010, it was Friday.
