GMAT integrated reasoning practice tests helps candidates to understand the format of the GMAT IR section. Daily practice of the GMAT IR practice papers has resulted in high scores of the candidates. Practicing GMAT Integrated Reasoning questions is important for several reasons:

1. Familiarization with format: The GMAT IR practice uses a unique format that requires test-takers to analyze data presented in multiple formats. GMAT integrated reasoning practice these types of questions will help you become familiar with the format and develop the skills required to interpret the data effectively.
2. Improving skills: The Integrated Reasoning section measures a test-taker's ability to analyze information, draw inferences, and make informed decisions. GMAT integrated reasoning practice these types of questions will help you improve your analytical and reasoning skills, as well as your ability to make quick, accurate decisions.
3. Identifying areas of weakness: Practicing GMAT Integrated Reasoning questions can help you identify areas where you need improvement. You can then focus your study efforts on these areas to maximize your score on test day.
4. Gauging progress: Practicing GMAT Integrated Reasoning questions regularly will allow you to track your progress over time and see how your skills and confidence are improving. This can help you stay motivated and focused on your goal of achieving a high score on the integrated reasoning GMAT questions.

GMAT Integrated Reasoning Practice Resources 

There are several GMAT books and study materials available for the GMAT Integrated Reasoning section, including:

1. Official GMAT Study Guides: The GMAT Official Guide series includes several volumes that include practice questions for the Integrated Reasoning section. These guides are a good resource for getting a feel for the format of the section and for practicing your skills.

2. GMAT prep courses: Many GMAT prep courses offer comprehensive study materials for the Integrated Reasoning section, including video lessons, practice questions, and full-length mock exams. Some popular GMAT prep courses include Kaplan, Manhattan Prep, and Princeton Review.

3. Online resources: There are several online resources that offer practice questions and study materials for the GMAT Integrated Reasoning section. Websites such as Magoosh, Economist GMAT Tutor, and Manhattan Review offer a variety of resources that can help you prepare for this section.

4. Third-party books: There are several third-party books available that provide in-depth analysis of the GMAT integrated reasoning practice questions, including tips and strategies for success. Examples include the GMAT Integrated Reasoning and Essay Bible by Jeff Sackmann and the GMAT Integrated Reasoning & Essay Strategy Guide by Manhattan Prep.

It's recommended to use a combination of these materials to maximize your preparation for the GMAT IR questions.