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This question belongs to Arithmetic Ability Calendar
Calendar
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What was the day of the week on 24th July 2011?

Answer & Solution
Correct Answer: Option A
Day Codes
Saturday 0
Sunday 1
Monday 2
Tuesday 3
Wednesday 4
Thursday 5
Friday 6


Month Codes
January 1
February 4
March 4
April 0
May 2
June 5
July 0
August 3
September 6
October 1
November 4
December 6


Century Codes
1500 - 1599 0
1600 - 1699 6
1700 - 1799  4
1800 - 1899 2
1900 - 1999  0
2000 - 2099 6
2100 - 2199 4
2200 - 2299 2
2300 - 2399 0


Formula : (Date + Month code + No.of years + No.of leap year + Century code)/7
$$\eqalign{ & = \frac{{24 + 0 + 11 + 2 + 6}}{7} \cr & = \frac{{43}}{7} \cr & = 1 \cr & = {\text{Sunday}} \cr} $$
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3 Comments
Konyerinonye Nathaniel
Konyerinonye Nathaniel 3 years ago
43/7 is not 1
So please do you got 1
ѕнєєтαl мιѕняα
ѕнєєтαl мιѕняα 6 years ago
How we get number of leap year and no of year and century code plz explain
Kazi Baizid
Kazi Baizid 6 years ago
43÷7=1
1 is the code of Monday.could you recheck it?