vim usage quiz - level 3 Better, Stronger, Faster

Just want to help remembering commands. Answers are in this good article, Learn Vim Progressively.

Better

1. How to repeat the last command?

2. How to repeat a command and specify the number of repetitions?

Stronger

3. How to move cursor to  a specified number of row?

4. How to go to start line of the file?

5. How to go to the last line of the file?

6. How to go to the start of following word (regard a punctuation mark as a single word)?

7. How to go to the end of this word (regard a punctuation mark as a single word)?

8. How to go to the start of following word (the word includes punctuation marks)?

9. How to go to the end of this word (the word includes punctuation marks)?

10. How to go to the corresponding round brackets, square brackets and braces?

Faster

11. How to execute a command from a specified start position to a specified end position? 

      A command format.