The data-nerdy side of me would love to learn more about the algorithm that predicts your odds of passing based on each question answered!
Hi Amar! I'm sure there's lots of folks who can share their experience, but we also just did a blog post after speaking with someone who passed the CISSP CAT in an hour. You can read it here if you like: http://blog.isc2.org/isc2_blog/2018/01/what-is-the-cissp-cat-exam-like.html
With a little luck it means no more "be at the test centre at 7.30am for an 8am start" as well. (This makes a big difference: when I did mine, it meant a return flight and an overnight stay; colleagues should now be able to do it as a one-day turnaround)