Choose the right match in the context of types of letters -

Correct option is A

In formal contexts, official letters often conclude with "Yours faithfully," especially when addressing someone whose name is unknown. This salutation conveys respect and professionalism.
Information Booster:
1. Official letters are formal and require a structured tone and closing.
2. "Yours faithfully" is used when the recipient is not personally known.
3. It contrasts with "Yours sincerely," used when addressing someone by name.
4. Friendly and informal letters employ casual closings like "Yours affectionately."
Additional Information:
· (b) Friendly letters - Yours truly: Not typical; casual closings like "Yours affectionately" are preferred.
· (c) Business letters - Yours affectionately: Incorrect; business letters use formal closings.
· (d) Very intimate letters - Your only: Rarely used, not standard practice.