Question

Which one of the following types of writing is considered formal? 

A. A personal email to a friend   B. An instant message to a co-worker about after-hours plans   C. A cover letter with a job application   D. An invitation to an anniversary party

Answer 1

Both c and d are considered formal pieces of written material.

Answer 2

C. a cover letter with a job application
because formal writing needs to be as formal as possible especially when dealing with getting a job