Hi Ebenezer. It sounds like you know the content, and it's simply the exam room pressure that is getting to you. Have you read this article?
www.project-management-prepcast.com/how-...et-pmp-certification
Section 32 is about how to manage your time, so that might help.
Honestly, it's just practice and not letting your nerves get to you. Just do your best. Cover up the clock if that helps, when you are doing practice tests with the exam simulator.
Good luck this week! Let us know how you get on.