I want to give the Salesforce Certified Platform Appbuilder exam. Can someone please guide me about the material and the test pattern and how to increase the chance of passing the exam.

Hello,

Please refer the following-

https://trailhead.salesforce.com/credentials/platformappbuilder

https://trailhead.salesforce.com/help?article=Salesforce-Certified-Platform-App-Builder-Exam-Guide

https://trailhead.salesforce.com/en/users/strailhead/trailmixes/prepare-for-your-salesforce-platform-app-builder-credential

Thanks