Question

1. How much is a one-day ticket?
2. How much is one day ticket?
3. How much is a one day ticket?
4. How much is an hour ticket?
5. How much is a an hour ticket?
6. How much is a one hour ticket?
7. How much is a one-hour ticket?
8. How much is a morning ticket?
9. How much is a one morning ticket?
10. How much is a one-morning ticket?

(Which ones are grammatical?)

Answer 1

1, 4, 7, 8, and 10 are correct.