What are the answers to these basic measurement questions in mathematics?

Here are the answers to the Maths - measurement questions:

1. There are 12 months in one year.

   $$\boxed{\text{12 months}}$$

2. There are 365 days in one standard year.

   $$\boxed{\text{365 days}}$$

3. There are 7 days in one week.

   $$\boxed{\text{7 days}}$$

4. The months with 31 days are January, March, May, July, August, October, and December.

   $$\boxed{\text{7 months}}$$

5. The months with 30 days are April, June, September, and November.

   $$\boxed{\text{4 months}}$$

6. February is the month that only has 28 days (in a common year).

   $$\boxed{\text{February}}$$