Choose the correct option:-

A/An _______ is written to seek information from another organisation regarding a course/product.

enquiry letter

The correct answer is Option (2) - enquiry letter

• An enquiry letter is written to ask for information about a course, product, or service from another organization.
• Incorrect options:
  • Informal letter → Used for personal communication, not for official inquiries.
  • Complaint letter → Used to express dissatisfaction about a service or product.
  • Formal letter → A general category, but "enquiry letter" is the specific type needed here.