Correct Answer: Friday
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 4rd century is Sunday.
This cycle is repeated that means last day of century is Friday, Wednesday, Monday, or Sunday and it repeats the cycle.
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