Aptitude - Calendar - Discussion
Discussion Forum : Calendar - General Questions (Q.No. 9)
9.
The last day of a century cannot be
Answer: Option
Explanation:
100 years contain 5 odd days.
Last day of 1st century is Friday.
200 years contain (5 x 2) 
3 odd days.
Last day of 2nd century is Wednesday.
300 years contain (5 x 3) = 15 1 odd day.
Last day of 3rd century is Monday.
400 years contain 0 odd day.
Last day of 4th century is Sunday.
This cycle is repeated.
Last day of a century cannot be Tuesday or Thursday or Saturday.
Discussion:
61 comments Page 7 of 7.
Raja said:
5 months ago
Every century has this one
100 = 5odd days=>friday.
200 = 3odd days=>wednesday.
300 = 1odd days=>monday.
400 = 0 odd days=>sunday.
Remainig=>(tuesday,thusday,saturday)=>tuesday only is their so correct answer is Tuesday.
100 = 5odd days=>friday.
200 = 3odd days=>wednesday.
300 = 1odd days=>monday.
400 = 0 odd days=>sunday.
Remainig=>(tuesday,thusday,saturday)=>tuesday only is their so correct answer is Tuesday.
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