Leap century year is a leap year in thecalendar whichis divisible by 4 as well as400 without a remainder.Like all leap years, it has an extra day in February.
Leap yearis a calendar year which is divisible by 4. Leap yearcontains an additional day in February. Every leap year has 29 days in February while ordinary year has 28 days in February.
The century year which is divisible by 400 without leaving remainder is known as leap century year.
Checking in options:
1. 2000→ 2000 is divisible by 400. Hence, it is leap century year.
2. 1800→ 1800is notcompletely divisible by 400. Hence, it is not a leap century year.
3. 1200→ 1200 is divisible by 400. Hence, it is leap century year.
4. 1600→ 1600 is divisible by 400. Hence, it is leap century year.
Therefore, 1800 is not a leap century year.
Hence, the correct answer is 1800.
![[Solved] Which of the following is not leap century year? (2024)](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/h8AAvMB+NzmkbcAAAAASUVORK5CYII=)