Arrange the following periods of time from the shortest to the longest:
1. Decade
2. Century
3. Year
4. Month
5. Millennium
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → 4, 3, 1, 2, 5
Compare each period with a year:
4. Month — One-twelfth of a year.
3. Year — 12 months.
1. Decade — 10 years.
2. Century — 100 years.
5. Millennium — 1000 years.