Which of the following is not a leap year?

Leap-year rule (Gregorian)

• A year is a leap year if it is divisible by 4, except century years must be divisible by 400.

Check options

• 1200: divisible by 400 ⇒ leap year.
• 1300: divisible by 100 but not by 400 ⇒ not a leap year.
• 1600: divisible by 400 ⇒ leap year.
• 2000: divisible by 400 ⇒ leap year.

Final Answer
1300 is not a leap year.