He is twenty years old and he has already graduated from university.

The price of the book is eighty euros.

There are twenty-five people in the room.

There are twenty-nine days in this month.

There are twenty-six letters in the French alphabet.

There are twenty-eight students in the class.

It is twenty-four o'clock.

There are twenty-three days in this month.

There are twenty-seven students in the class.

There are twenty-two students in the class.