If you learn something through Lecture, so the learning retention rate would be 5%
If you learn the same thing through Reading, so the learning retention rate would be 10%
If you learn the same thing through Audio Visuals, so the learning retention rate would be 20%
If you learn the same thing through Demonstration, so the learning retention rate would be 30%
If you learn something through any method like lecture, reading, audio visuals, or demonstration and Discuss the same thing with your group, so the learning retention would be 50%
If you learn something and doing practice of it, the learning retention would be 75%
If you learn something and teach others the same thing, so the learning retention would be 90%