References – AN 4.42: Ways of Answering Questions 
“Would you please describe the four ways of skillfully answering or asking questions or the different types of questions?” Answered by Ajahn Pasanno. [Questions]
Sutta: AN 4.42: Questions.
Abhayagiri Monastic Retreat 2013, Session 6, Excerpt 11
“Would you kindly review the four ways to respond to questions?” Answered by Ajahn Pasanno. [Questions]
Sutta: AN 4.42: Questions.
Reference: Skill in Questions by Ajahn Ṭhānissaro.
Abhayagiri Monastic Retreat 2013, Session 7, Excerpt 12
“What is the origin of asking a question three times?” Answered by Ajahn Pasanno. [Questions] [Teaching Dhamma] [Sutta] [Buddha/Biography]
Sutta: AN 4.42: Questions
Honoring the Buddha: The Mahāparinibbāna Sutta [2021], Excerpt 2