Which one of the following letters would be considered formal?

AA letter of invitation to an anniversary party
BA letter of application
CA personal letter to an old friend
DA thank-you note to your grandmother

Verified Answer :

BA letter of application

The statement that shows the kind of letter that would be considered formal is choice B. It states that it would formal if you will write a letter of application. The letter of application is not something casual and it also includes someone's resume. The letter is also considered a business transaction.