Finding the best way to prep for the GMAT is a matter of timing, preparation, and scheduling. When you're trying to decide whether or not to take a practice test, it's important that you know exactly what you're getting into. A practice test can help give you an idea of how well you do on the computer-based format and what areas need more work before taking the real exam.
To know more - https://www.gtprep.in/gmat-coaching/