Which of the following is not a type of memo?a.Informal memob.Business memo c.Formal memod.Notice memo

To determine which of the options is not a type of memo, we need to analyze each option individually.

a. Informal memo: An informal memo is a type of memo that is less formal and is typically used for internal communication within an organization. It is often used to convey casual or non-urgent information. Therefore, option a is a valid type of memo.

b. Business memo: A business memo is a type of memo that is commonly used for formal communication within a business or organization. It is typically used to convey important information, such as announcements, updates, or requests. Therefore, option b is a valid type of memo.

c. Formal memo: A formal memo is a type of memo that is used for official or formal communication within an organization. It is typically used to convey important or sensitive information, such as policy changes, disciplinary actions, or legal matters. Therefore, option c is a valid type of memo.

d. Notice memo: A notice memo is not a commonly recognized type of memo. It is possible that this option refers to a different type of communication document, such as a notice or announcement, rather than a memo specifically. Therefore, option d is the correct answer as it is not a type of memo.

In conclusion, option d (Notice memo) is not a type of memo.