Question:
The last day of a century cannot be either.
I. Tuesday
II. Thursday
III. Saturday
IV. Sunday
The last day of a century cannot be either.
I. Tuesday
II. Thursday
III. Saturday
IV. Sunday
I. Tuesday
II. Thursday
III. Saturday
IV. Sunday
Updated On: Jan 30, 2025
- I and II
- I and IV
- I. II and III
- I, III and IV
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The Correct Option is C
Solution and Explanation
100 years contain 5 odd days.
Last day of 1 century is Friday.
200 years contain (5 x 2) ≡ 3 odd days.
Last day of 2 century is Wednesday.
300 years contain (5 x 3) = 15 ≡ 1 odd day.
Last day of 3 century is Monday.
400 years contain 0 odd day.
This cycle is repeated.
Last day of a century cannot be Tuesday or Thursday or Saturday. So the correct option is (C):
Last day of 1 century is Friday.
200 years contain (5 x 2) ≡ 3 odd days.
Last day of 2 century is Wednesday.
300 years contain (5 x 3) = 15 ≡ 1 odd day.
Last day of 3 century is Monday.
400 years contain 0 odd day.
This cycle is repeated.
Last day of a century cannot be Tuesday or Thursday or Saturday. So the correct option is (C):
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