There are a total of 1,800 questions in The PM Exam Simulator and you can answer these questions in 3 different modes:

1. Real Exam Mode - This mode simulates the real PMP exam experience
2. Timed Mode - This mode offers hints & answers but you only have limited time for your answers
3. Learning Mode - This mode offers hints & answers without any time limitations

The simulator uses the same 1,800 questions in all 3 modes. They are just different ways of answering the same set of questions.