The GMAT Quantitative section assesses your ability to solve complex mathematical problems, ranging from arithmetic to algebra and geometry. To succeed on this section, you need not only a solid grasp of mathematical concepts but also efficient problem-solving strategies. Here are some tips for improving your problem-solving efficiency on the GMAT Quantitative section:

 1. Understand the Question:

   - Read each question carefully and ensure that you understand what is being asked. Identify the key information provided and the specific mathematical concept or principle being tested.

 2. Solve Strategically:

   - Use strategic problem-solving techniques, such as working backwards, plugging in numbers, or drawing diagrams. Look for patterns or clues in the problem that can help you find a solution more efficiently.

 3. Use the Answer Choices:

   - Use the answer choices to your advantage. For multiple-choice questions, you can often eliminate obviously incorrect choices or use the answer choices to check your work and ensure you have the correct answer.

 4. Practice Mental Math:

   - Improve your mental math skills to perform arithmetic operations quickly and accurately without the need for a calculator. Practice mental math exercises to improve your speed and efficiency.

 5. Estimation Techniques:

   - Use estimation techniques to approximate answers and check the reasonableness of your calculations. Estimation can help you narrow down answer choices and make more informed decisions.

 6. Draw Diagrams:

   - Draw diagrams or visual representations of geometric problems to help you visualize the problem and identify key information. Diagrams can make complex problems easier to understand and solve.

 7. Use Common Formulas:

   - Familiarize yourself with common mathematical formulas and equations that are frequently tested on the GMAT. Knowing these formulas can save you time and help you solve problems more efficiently.

 8. Practice with GMAT-Style Questions:

   - Practice with official GMAT-style questions to become familiar with the types of problems you'll encounter on the test. The more you practice, the more comfortable you'll become with the format and content of the Quantitative section.

 9. Time Management:

   - Manage your time effectively by pacing yourself and avoiding spending too much time on any one question. If you're stuck on a particular problem, move on and come back to it later if you have time.

 10. Review Mistakes:

   - After completing practice problems or taking practice tests, review your mistakes and identify areas for improvement. Focus on understanding why you made a mistake and how you can avoid making similar mistakes in the future.

 11. Use Scratch Paper:

   - Make use of the scratch paper provided during the test to work out calculations, draw diagrams, or jot down key information. Organize your work neatly and clearly to avoid confusion.

 12. Stay Focused:

   - Maintain focus and concentration throughout the test. Avoid distractions and stay engaged with each question to ensure you're using your time effectively.

 13. Practice Timed Tests:

   - Practice taking timed GMAT-style tests to simulate the test-day experience and improve your time management skills. Work on increasing your speed and accuracy while under time pressure.

 14. Stay Calm:

   - Keep a calm and positive mindset during the test. If you encounter a challenging question, take a deep breath, stay focused, and use your problem-solving strategies to work through it.

 15. Seek Help When Necessary:

   - If you're struggling with a particular topic or concept, don't hesitate to seek help from a tutor, teacher, or online resources. Addressing areas of weakness can improve your overall performance on the GMAT Quantitative section.

By implementing these tips and practicing regularly, you can improve your problem-solving efficiency and increase your chances of success on the GMAT Quantitative section. Remember that the key to success is not just knowing the material, but also being able to apply your knowledge and skills efficiently to solve complex problems under time pressure.