How to attempt prepengine

PrepEngine provides a different set of questions to prepare for exam in the test environment. To navigate to PrepEngine questions, click play button.
The bottom bar consists of three-bullet icon, which represents the number of successful and unsuccessful attempts.
After a correct attempt, the color of bullet icon will turn to green.
After an unsuccessful attempt, the color of the bullet icon will turn to red.
After three consecutive correct attempts, the question will be removed from the set of questions in the pool. Clicking the side panel button, will open the side panel which consists of following details: