The OET has 42 questions in the Listening task in total, which is divided into 24 questions of Part A, six questions of Part B and 12 questions for Part C. For Part A, there are two audios of five minutes each which you are required to answer 24 questions ( 12 questions for each of the audios). For Part B, the six audio extracts are a minute long and you have to answer six questions for each of these audios. Finally, Part C consists of two audios of 5 minutes each (a part of a consultation between a medical professional and a patient), for which you have to answer 12 questions (six questions for each of the audio).