Add punctuation Marks and write which kind of sentences are these.

Dear Student, 

1. How nice of you! - exclamatory
2. Beware of pickpockets! - imperative
3. Do you know if Manish has come today? - interrogative
4. The train will leave at 10 am. - declarative
5. Can you visit the Red Fort tomorrow? - interrogative
6. Please have a seat. - imperative

Regards,