The PMP® Certification Exam is comprised of 200 MCQs, out of which 175 are scored questions and rest 25 are unscored questions.
You have to solve all these questions within 4 hours.
You can stay well prepared for the exam with the PMP training online. For further information on the exam format, take a look at https://www.edureka.co/blog/pmp-exam-all-you-need-to-know/#pmpformat
Hope this helps!