If you are invited by McKinsey to take their Problem Solving Test as part of the screening process, congratulations! You have made the first hurdle. To make it to the next round, you will have to face the extrem time pressure that awaits you during the test. Therefore, a good level of preparation and exercise is necessary for you. This challenging PST will help you during your practice as it is perfectly structured and up-to-date in order to optimize your PST performance. What are you waiting for? Get started!