Select the suitable option from the given alternatives to write the salutation for a formal letter.

Dear Sir

The most suitable option for a formal letter salutation is : Option 1: Dear Sir

• Options 2, 3, and 4 ("Respectful Sir," "Dearest Sir," and "Faithful Sir" respectively) are not commonly used for formal correspondence.
• "Dear Sir" of "Respected Sir" (NOT "Respectful Sir") is a standard and polite way to address a male recipient in a formal letter.